Evolutionary response, or simply adaptation, is the process through which organisms change to their surroundings to improve their chances of survival in those surroundings.
What colloquial names do organisms go by?
The root for the taxon or organism, which is often referred to in biology as a vernacular name, English name, colloquial name, country name, popular name, or farmer's name, is commonly contrasted with the Latinized scientifically known for the same thing.
How many types of organisms are there?
The number of plant and animal species is estimated to be around 8.7 million by scientists. The majority of the 1.2 million species that have identified and described thus far are insects.
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During a flame test, ions of a specific metal are heated in the flame of a gas burner. A characteristic color of light is emitted by these ions in the flame. How is it produced? (use words: electron, ground state, excited state)
Which of the following statements best justifies the claim that the conditions in at least one of the experiments could generate the molecular building blocks essential for life?
The nitrogen ( N2 ) gas and ammonia ( NH3 ) gas in experiment 1 could provide the elemental nitrogen required for the formation of amino acids.
In experiment 1, the nitrogen (N2) and ammonia (NH3) gases might supply the elemental nitrogen needed for the synthesis of amino acids.
Explain about the amino acids?Molecules of amino acids make up proteins. Proteins and amino acids make up the building blocks of life. Following the digestion or breakdown of proteins, amino acids are still present. Amino acids are used by the human body to help it produce proteins.
BCAAs are classified as necessary because, unlike non-essential amino acids, your body cannot make them. You must thus incorporate them into your diet. The BCAAs are a triad made up of leucine, isoleucine, and valine. Each of them has branching molecular architectures and is regarded to be essential for the human body.
Leucine has been shown to be the most powerful and efficient amino acid for skeletal muscle protein synthesis, which takes place when cells start to generate the necessary proteins.
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In animals, nitrogenous wastes are produced mostly from the catabolism of 15 pts O triglycerides and steroids O fatty acids and glycerol. O proteins and nucleic acids. O phospholipids and glycolipids. O starch and cellulose.
In animals, nitrogenous wastes are produced mostly from the catabolism of proteins and nucleic acids.
There are various nitrogenous wastes that are generated by protein catabolism, but the main ones are ammonia and urea. The liver produces ammonia in a healthy person, which is then transformed to urea, a less raw sewage commodity than ammonia.
Once proteins are broken into the amino acids needed for energy, nitrogenous wastes are produced. Ammonia represents the most basic form of nitrogenous waste, constituted from the residual amino acids that occur during protein breakdown.
Proteins are divided into amino acids during catabolic reactions, lipids into fatty acids, and polysaccharides into monosaccharides. These basic elements are then used in anabolic reactions to synthesize molecules.
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The endocrine glands located above each kidney (divided into 2 portions called the medulla "marrow-like" and the cortex "bark-like") are the:
tonsil glands
lymph gland
adrenal glands
ovary glands
Answer:adrenal
Explanation:it is correct
What correction should be made to the following sentence? "For parents, it is a challenge to recognize and keep a balanced perspective on they're
teenager's emotional roller coaster ride."
a. change parents, to parent's
b. change and keep to to keep
c. change they're to their
d. change teenager's to teenagers
e. no correction is necessary
Answer:
c
Explanation:
They're is an adjective describing a group of people, while their is possessive, and refers to the parents' teenager.
hope this helps!!! :3
A forest was studied for decades after a fire that destroyed a 45-hectare area. The abundance of three plant species was measured and recorded over the course of this study. Which explanation describes the changes in population size for species I, II, and III over the course of the experiment?
A)Species I requires high light conditions. Species II and II eventually outcompeted species I for light.
B)Species II and III require deeper soil for their root structures to grow, while species I requires no soil to germinate.
C)Species I requires drier conditions that are found after the fire while species II and II require high periods of rainfall.
D)Species I requires pollinators to migrate into the area in order to facilitate its reproduction while species II and III reproduce in the absence of pollinators.
In some circumstances, the extinction of a native species or the introduction of a non-native species can endanger the existence of other organisms. Because of this, the preservation of endangered species and the management of invasive species are major issues.
How does an ecosystem's carrying capacity depend on its biotic and abiotic limiting elements?Carrying capacity is established by limiting variables. The number of species that may coexist in an environment depends on the availability of both abiotic (such as water, oxygen, and space) and biotic (such as food) variables.
What is a good illustration of an animal community?In biology, a community is a group of interacting species from different species that share a shared habitat. As an illustration, consider a forest with rooted plants and trees that is home to various wildlife.
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whats the function of a plant vacule
The function of a plant vacuole is determined by the fact that it maintains cell acidity and turgor pressure along with regulating the storage and transport of substances throughout the cell.
What is a Vacuole?A vacuole may be defined as a membrane-bound cell organelle that is present in plant and fungal cells and some protist, animal, and bacterial cells. It plays some crucial roles that facilitate the survival of living organisms.
In plant cells, vacuoles help maintain water balance. Sometimes a single vacuole can take up most of the interior space of the plant cell. It can also hold food for later use and waste for removal which prevents the cause of cell toxication.
Therefore, vacuoles maintain cell acidity and turgor pressure along with regulating the storage and transport of substances throughout the cell.
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1. Name two things found in a plant cell that are not found in an animal cell:
2. How does the shape of a plant cell differ from that of an animal cell?
3. What is the function of the chloroplasts?
4. What is the function of the vacuole?
Answer:
1) Chloroplasts and Cell Wall
2) Plant cells typically have a rectangular or cube-shaped form, with a rigid cell wall on the exterior. Animal cells, on the other hand, tend to be round and lack a cell wall. Furthermore, plant cells contain chloroplasts, which are not present in animal cells.
3) Chloroplasts are the places within plants where photosynthesis takes place, where light energy is used to turn carbon dioxide and water into oxygen and sugar. Additionally, chloroplasts are responsible for the creation of food in plants through the process of photosynthesis.
4) The vacuole is an organelle located in the cytoplasm of eukaryotic cells that is enclosed by a membrane. Its main purpose is to store water and other molecules like proteins, carbohydrates, and ions. This organelle contributes to cell shape and turgor pressure, as well as regulating metabolism. Furthermore, vacuoles are involved in the digestion and recycling of cellular debris.
Proteins can recognize specific base pair sequences in DNA without unwinding the double helix by interacting with the ______ of the helix.
Proteins can recognize specific base pair sequences in DNA without unwinding the double helix by interacting with the major groove of the helix.
Deoxyribonucleic acid is a polymer composed of polynucleotide chains that coil spherically each one-of-a-kind to form a double helix. The polymer includes genetic instructions for the development, functioning, boom, and replica of all seemed organisms and lots of viruses.
In all dwelling things, DNA is vital for an inheritance, coding for proteins, and offering instructions for life and its tactics. Human cells commonly consist of 23 pairs of chromosomes, for a complete forty-six chromosomes in every cell.
Mitochondria are structures within cells that convert the power from meals right into a shape that cells can use.
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The African savanna elephant (Loxodonta africana) is one of the largest mammals in the African savanna. Understanding evolutionary history helps scientists gain knowledge of how organisms interact with the environment.
Analyze the phylogenetic tree to explain the evolution of the African savanna elephant
(Loxodonta africana).
African forest elephants (Loxodonta cyclotis) and African bush elephants (Loxodonta africana) are both members of the same genus.
The African savanna is where?
The Savanna Biome, which makes about 46% of southern Africa's total land and more than one-third of South Africa, is the biggest biome there. In addition to being the predominant vegetation in Botswana, Namibia, and Zimbabwe, it is well developed throughout South Africa's lowveld and Kalahari region.
What is the savanna of Africa renowned for?
Tropical grassland with warm temperatures all year round and irregular rainfall makes up the African savanna environment. A complex food web is formed by the interactions of a diverse variety of species in the savanna, which is characterized by grasses and small or dispersed trees.
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based on the information in this animation, select the organisms that would utilize this ormonal pathway more often.
a. kangaroo rat which inhabits the arid regions of western North America b. river otters in northern North America c. the Dromedary camel of the Middle East d. the manatee from the Caribbean
A0 Kangaroo rat which inhabits the arid regions of western North America would utilize this hormonal pathway more often.
The kangaroo rat inhabits arid regions, so it would likely make use of this hormonal pathway more often than other animals. This is because the arid environment that the kangaroo rat inhabits requires it to conserve water and obtain enough energy to survive.
The hormones released in this pathway help the kangaroo rat regulate its water balance and metabolism, allowing it to survive in such an environment.
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2. What is the meaning of yellow on a hazmat diamond?
a. Signifies chemical reactivity hazard
b. Signifies flammability hazard
c. Signifies nuclear hazard
The meaning of yellow on a hazmat diamond is that the material is a reactivity hazard.
The correct option is A: Signifies chemical reactivity hazard
What are hazmat?Hazmat is the abbreviated form of the expression hazardous material.
Hazardous materials are materials that pose a great danger to lives and can cause injury or death when these materials are present or released into the environment.
Hazmat may be substances that are toxic, poisonous, radioactive, flammable, or explosive.
The classes of hazardous materials include:
Explosives.Gases.Flammable Liquid and Combustible Liquid.Flammable Solid, Spontaneously Combustible, and Dangerous When Wet.Poison (Toxic) and Poison Inhalation Hazard.Radioactive, etc.Learn more about hazmat at: https://brainly.com/question/27318175
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Which of the following are characteristics of prokaryotic DNA replication? Select all that apply.
Replication origins look like bubbles
DNA circular in nature
Unwinds in one area
One replication origin
Replicates in nucleus
Replicates in cytoplasm
DNA linear in nature
Unwinds in multiple areas
Occurs in two directions
currently two extant elephant species (X and Y) are classified in the genus Loxodonta, and a third species (Z) is placed in the genus Elephas. Thus, which statement should be true?
Species X and Y share a greater number of homologies with each other than either does with species Z
The correct statement about the elephant species will be: B) Species X and Y share a high number of homologies with each other than either does with species Z.
Species is the smallest hierarchical level in the classification system of organisms. Organisms belonging to the same species group show high similarities with each other. The next higher level to species is genus. The species coming under the same genus also show similarities as compared to the species of other genus.
Homology refers to the similarity in the anatomy of the organisms. However they can have different functions according to their adaptations.
The given question is incomplete, the complete question is:
Currently two extant elephant species (X and Y) are classified in the genus Loxodonta, and a third species (Z) is placed in the genus Elephas. Thus, which statement should be true?
A) Species X and Y are not related to species Z.
B) Species X and Y share a greater number of homologies with each other than either does with species Z.
C) Species X and Y share a common ancestor that is still extant (in other words, not yet extinct).
D) Species X and Y are the result of artificial selection from an ancestral species Z.
E) Species X, Y, and Z share a common ancestor, but nothing more can be claimed than this.
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which of the following statements best represents the relationships between the light reactions and the calvin cycle?
The Calvin cycle utilizes the products of the light reactions, which include carbon dioxide, ATP, or NADPH.
What connection does the Calvin cycle have with light reactions?The Calvin cycle uses CO2 from the light reactions to make sugars, and the light reactions use the sugars from the Calvin cycle to make ATP.
Which one of the following statements most accurately sums up the interaction between the Calvin cycle as well as the light response of photosynthesis?Which of the following statements most accurately sums up how the Fermentation process and the light reactions of photosynthesis interact? For the purpose of igniting electron during the light reactions, the Calvin cycle produces ATP and NADPH.
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Lower motor neurons responsible for posture and locomotion are found in the _______ and primarily receive
input from upper motor neurons in the _______.
a. medial ventral horn; brainstem
b. lateral ventral horn; brainstem
c. medial ventral horn; cerebral cortex
d. lateral ventral horn; cerebral cortex
e. medial dorsal horn; brainstem
The brainstem's lateral ventral horn is home to lower motor neurons that are principally responsible for posture and mobility. higher motor neurons' input into the cerebral cortex.
Option b is correct
Where are the lower motor neurons located?Lower motor neurons in the brainstem and spinal cord are what start skeletal (striated) muscle contraction. The ventral horn of the spinal cord's gray matter, as well as the motor nuclei of the cranial nerves in the brainstem, both house the cell bodies of lower neurons.
Where are the motor neurons involved in posture located?Neuroscience - NCBI Bookshelf: Motor Control Centers in the Brainstem: Upper Motor Neurons That Maintain Balance and Posture.
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The data suggest that Baikal seals can sustain much longer dives than emperor penguins propose a hypothesis that could explain the evolution of different dive responses in emperor penguins and baikal seals
The suggested hypothesis is that fermentation may be to blame for the rise in lactate levels.
What are the different capacities a bacteria will have?Bacteria with the capacity to utilize a variety of carbohydrate sources create lactic acid through the fermentation process. The primary bacteria utilised to create lactic acid are lactic acid bacteria, and among these, Lactobacillus spp. have demonstrated intriguing fermentation abilities.
Lactic acid fermentation was a consequence of a deficiency in oxygen inside the muscle cells. This is because oxygen is required by the cell as a terminal electron acceptor in order to make ATP.
Therefore, The suggested hypothesis is that fermentation may be to blame for the rise in lactate levels.
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If embryo development were arrested at the stage when the first three body segments were forming, which of the following events would fail to occur? Choose one or more: A. migration of pole cells toward the anterior side B. movement of the tail toward the ventral side C. formation of the abdomen segments D. development of a crest that separates the region that will become the head, mouth parts, and foregut from the rest of the embryo
The formation of a crest dividing the embryo's resting zone from the region that will eventually become the foregut, mouth, and head.
What distinguishing characteristics of Drosophila embryo development?A syncytial blastoderm with around 6000 nuclei forms before the cellular blastoderm during the early stages of Drosophila embryogenesis after the embryo passes through 13 rounds of fast, coordinated nuclear division cycles in a shared cytoplasm.
How long does it take a Drosophila embryo to develop?Figure 21–24 depicts an overview of the Drosophila development timeline from egg to adult. Embryonic development starts at fertilization and lasts for about a day, after which the embryo emerges from the egg to become a larva.
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Witch statement describes the term economics
Answer:
Which statement best defines the term economics?
Explanation:
Economics is the study of the production and distribution of goods and services.
Chemical energy derived from the fixation of carbon by photosynthesis and chemosynthesis is known as _______ production
a. net
b. gross
c. secondary
d. primary
e. carbon
Chemical energy derived from the fixation of carbon by photosynthesis and chemosynthesis is known as carbon production.
Option e is correct
Which trophic level in the majority of ecosystems produces the most dead organic matter?Autotrophs, or primary producers, make up the first trophic level. From sunlight or inorganic chemical substances, autotrophs produce chemical energy. The majority of the dead organic matter produced by an ecosystem occurs at this level.
Which environment typically has the highest species diversity per unit of area?Tropical habitats have the highest species richness. One of the most ecologically varied ecosystems on Earth is found in tropical rain forests, which are found on land, and coral reefs, which are found in marine systems.
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in addition to barriers, there are either a number of , phagocytes, and natural killers, or protective proteins involved with identifying and potentially destroying pathogens that have passed through the physical barriers. the cells also have the ability to send signals, such as , to signal nearby cells that a cell has been infected by a virus.
with identifying and potentially destroying pathogens that have passed through the physical barriers
The human body's three main defensive mechanisms work together to fend off invaders including viruses, bacteria, and fungi. Physical and chemical barriers, general innate reactions, and particular adaptive responses are the three lines of defense of the immune system.
Describe a pathogen. An organism that infects its host with disease is referred to as a pathogen, and the severity of the disease symptoms is referred to as virulence. Pathogens include viruses, bacteria, unicellular and multicellular eukaryotes, as well as other taxonomically diverse organisms.What are pathogens and some instances?
Pathogens, such as bacteria, fungi, protozoa, worms, viruses, and even infectious proteins known as prions, are what cause infectious diseases. All types of pathogens must have ways to enter their host and avoid being immediately destroyed by the host immune system. Most bacteria do not cause disease.
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transposition may result in gene disruption as well as provide elements that can gene expression patterns.
Transposition may result in gene disruption as well as provide elements that can alter gene expression patterns.
We used global transposon mutagenesis in investigations of the lowest genetic needs for life to pinpoint the genes required for a minimal bacterial genome. In addition to impairing a gene's functionality, transposon insertion can also have polar opposite effects on the expression of nearby genes.
Because they make it easier for exons to be moved about, double-stranded breaks to be repaired, and genomic sequences to be translocated, transposons can actually accelerate the evolution of genomes. Transpositions and insertions can also change the phenotypic and gene regulatory areas.
DNA transposition is the transfer of a specific DNA segment (a transposon) from one genomic region to another.
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Operon vocabulary
Can you match terms related to operons to their definitions?
Drag the terms on the left to the appropriate blanks on the right to complete the sentences.
1. A(n) operonis a stretch of DNA consisting of an operator, a promoter, and genes for a related set of proteins, usually making up an entire metabolic pathway.
2. Thegenes of an operonis/are arranged sequentially after the promoter.
3. A(n) promoter is a specific nucleotide sequence in DNA that binds RNA polymerase, positioning it to start transcribing RNA at the appropriate place.
4. A(n) regulatory genecodes for a protein, such as a repressor, that controls the transcription of another gene or group of genes.
5. Regulatory proteins bind to the operatorto control expression of the operon.
6. A(n) repressoris a protein that inhibits gene transcription. In prokaryotes, this protein binds to the DNA in or near the promoter.
7. A(n) inducer is a specific small molecule that binds to a bacterial regulatory protein and changes its shape so that it cannot bind to an operator, thus switching an operon on.
A(n) operon is a stretch of DNA consisting of an operator, a promoter, and genes for a related set of proteins, usually making up an entire metabolic pathway.
Is a stretch of DNA consisting of an operator a promoter and genes?An operon refers to a unit of DNA which is made up of connected genes that regulate a particular protein synthesis. Operons are found in prokaryotes, eukaryotes and viruses. Operon allows the protein synthesis in these organisms to be controlled coordinately in response to the needs of the cell. Proteins are produced only when they are needed, thus the operon helps the cell to conserve energy. An example of a well studied operon is the Lac operon of E. coli. A(n) regulatory gene codes for a protein, such as a repressor, that controls the transcription of another gene or group of genes.Regulatory proteins bind to the operator to control expression of the operon.A(n) repressors a protein that inhibits gene transcription. In prokaryotes, this protein binds to the DNA in or near the promoter. A(n) inducer is a specific small molecule that binds to a bacterial regulatory protein and changes its shape so that it cannot bind to an operator, thus switching an operon on.An inducer is a molecule that regulates gene expression by binding to repressors or activators: prevents the repressor from binding to the operator or helps activator binding to DNA.To learn more about metabolic pathway refer to:
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What is the relationship between the components of TLC (total lung capacity)?
Answer:
The total lung capacity (TLC) is the maximal volume of gas in the lungs after a maximal inhalation; thus it is the sum of the RV, ERV, VT, and IRV. TLC is approximately 6 L for a healthy 70-kg adult. The vital capacity (VC) is the maximal volume of gas exhaled during a forced exhalation after a forced inhalation.
This relationship calculates as the total lung capacity equaling the sum of functional residual capacity and the inspiratory capacity or as the equation: TLC = FRC + IC. The FRC is only measurable by plethysmography, nitrogen gas washout, or helium gas dilution methods, or using computed tomography (CT).
Explanation:
Mention the name of four groups of important pathogenic E. coli? Can TBX medium be used to recover all types of nonpathogenic and pathogenic E. coli? Support your answer by giving an example.
The four groups of pathogenic E.coli are enteropathogenic, enterotoxigenic, verocytotoxigenic and enteroinvasive groups. These groups can best be isolated and recoved through luria broth.
What is Escherichia coli?The pathogenic E. coli or Escherichia coli serotypes are grouped on the basis of their mechanism of causing symptoms in humans. The six groups of pathogenic E.coli are enteropathogenic, enterotoxigenic, verocytotoxigenic, enteroinvasive, enteroaggregative and diffusely adherent E. coli.
Luria broth (LB) is one of the most commonly used growth medium for E. coli. It promotes fast growth of the organism and also provides good plasmid yields, making it an excellent choice for most laboratory applications, especially the small-scale plasmid preps.
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What is the best and worst part of being a girl?
Answer:
It depends
Explanation:
This can be a very opinionated question. Personally,
Worst:
Not viewed equal as men
Seen as an object
Menstruation can be difficult to deal with
Best:
We have the ability to create children inside our bodies
We have a great community of strong women, we prove ourselves worthy
We have certain advantages that men don't
Like I said, this is my opinion, and it honestly just depends.
Im sure almost all women would come up with different answers.
show how the microbial cell employs its genetic information (gene expression) to produce protein and gene products. explain the general process of transcription and translation including the major steps of initiation, elongation and termination).
At the promoter region, RNA polymerase initiates the process by separating the DNA strands and connecting the RNA nucleotides as they base pair with the DNA template.
When the polymerase descends, it breaks down the DNA and stretches the RNA transcript to its third prime end. The strand starts to form a double helix as this happens. The RNA transcript is released during termination, and the polymerase breaks its connection to the DNA.Transduction eliminates the need for cell-to-cell interaction by using a virus called a bacteriophage to function as a conduit for moving bacteria genes from one cell to another. Transduction can be divided into two categories: generalized transduction and specialized transduction.To know more about RNA nucleotides
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Some organisms are more
suited to their environment.
These organisms are more
likely to survive and reproduce.
What can we say about these
organisms?
They are less adapted to their environment.
They have a higher fitness. This is answer
Answer: higher fitness
Explanation:
Answer: They have a higher fitness.
Explanation:
The below are characteristics of prokaryotes except
No membrane-enclosed nucleus
Complex cellular structure
Mostly not harmful
Smaller than eukaryotes
Abundant in nature
Mr. Barney was teaching his Biology class about cellular energy and put this equation on the board
Which process is Mr. Barney most likely about to start teaching?
A
fermentation
B
transpiration
C
cellular respiration
D
photosynthesis
Answer:
d) photosynthesis