Answer:
Photosynthesis is the procedure in which plants (organisms with procaryotic cells) convert water, sunlight, carbon dioxide (the air animals produce from exhaling) and nutrients from the soil into their food.
Answer:
photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water
you are studying two linked genes that influence vine height and fruitcolor in squash.yellow color is dominant over green, and tall height isdominant over short.you get the following numbers of offspring from
The recombinant offsprings are Tall green and short yellow.
What are recombinant offsprings?Children who differ from their parents in terms of their allele combinations are known as recombinant offsprings. Consider the scenario where a mother's haploid cell contains the alleles AB and the father's haploid cell contains the alleles ab. A diploid cell with the sequence Aa+Bb is created when they come together.
The exchange of genetic material between distinct organisms, commonly referred to as genetic recombination or genetic reshuffling, produces offspring with features that are different from those of either parent.
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The complete question is-
You are studying two linked genes that influence vine height and fruit color in squash. Yellow color is dominant over green, and tall height is dominant over short. You get the following numbers of offspring from your testcross:
Tall yellow 198
Short green 192
Tall green 54
Short yellow 56
Which offspring are recombinants? (most inclusive answer)
A) Tall green
B) Short yellow
C) Tall yellow and short green
D) Tall green and short yellow
E) Short green and tall green
hereditary spherocytosis (hs) is a disorder of red blood cells that causes the cells to be smaller and spherical instead of having the usual flattened, biconcave shape. the average diameter of normal red blood cells is 7.2μm, and the average diameter of red blood cells in a person with hs was found to be 6.7μm. the normal red blood cell has an average surface area of 136μm2 and an average volume of 91μm3.
Answer:
Hereditary spherocytosis (HS) is a disorder of red blood cells that causes the cells to be smaller and spherical instead of having the usual flattened, biconcave shape. The average diameter of normal red blood cells is 7.2μm, and the average diameter of red blood cells in a person with HS was found to be 6.7μm. The normal red blood cell has an average surface area of 136μm² and an average volume of 91 μm². Which of the following provides an accurate calculation of the surface area to volume ratio of an HS red blood cell, as well as a prediction of its effect on the efficient transferring of oxygen compared to a normal red blood cell? a. The ratio is 0.45, and the cells are more efficient at transferring oxygen. b. The ratio is 1.12, and the cells are less efficient at transferring oxygen. c. The ratio is 0.89, and the cells are less efficient at transferring oxygen. d. The ratio is 141, and the cells are more efficient at transferring oxygen.
The ratio is 0.89, and the cells are less efficient at transferring oxygen.
What is hereditary spherocytosis?Hereditary spherocytosis (HS) is a genetic disorder that affects the shape of red blood cells. Red blood cells are responsible for carrying oxygen to the body's tissues, and they have a characteristic flattened, biconcave shape that allows them to move easily through the blood vessels and deliver oxygen to the tissues.
In people with HS, the red blood cells are smaller and more spherical than normal, which can cause problems with their function. The smaller size of the red blood cells in people with HS can lead to an increased number of red blood cells being produced in an attempt to compensate for the reduced oxygen-carrying capacity. This can lead to an excess of red blood cells in the blood, known as polycythemia, which can cause the blood to become thick and viscous.
HS is caused by mutations in genes that are involved in the production and function of red blood cells. The disorder is inherited in an autosomal dominant pattern, which means that a person only needs to inherit one copy of the mutated gene to develop the condition. HS is typically diagnosed in childhood and can be treated with medications, blood transfusions, or surgery.
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List FOUR features of the alveoli.
The pulmonary alveoli are small sacs found in the lungs, where gas exchange takes places.
Some of their features are:
• They are found in the respiratory bronchioles.
,• They are cup-shaped cavities
,• The gas exchange happens by diffusion in the alveolar membrane.
,• They consist of an epithelial layer and an extracellular matrix surrounded by capillaries.
• They are found only in mammalian lungs
,• They can stretch during inhalation thanks to collagen fibers.
,• In humans, they are functional at 32 weeks of gestation, but they continue to develop until puberty.
All cells have a phospholipid bilayer as a cell membrane. Thinking about the variety of shapes and sizes of cells what can you conclude about the cell membrane?
Answer:
Phospholipid bilayers are critical components of cell membranes. The lipid bilayer acts as a barrier to the passage of molecules and ions into and out of the cell. However, an important function of the cell membrane is to allow selective passage of certain substances into and out of cells
Explanation:
The phospholipid bilayer is critical in maintaining the integrity of the cardiomyocyte, as it forms a permeability barrier that provides a physical interface between the inside and the outside of the myocyte. It also contains key enzymes and ion channels that regulate ionic gradients across the cell membranes.
DNA is a type of nucleic acid that is responsible for storing
information and passing that information from a parent to
its offspring.
What aspect of DNA's structure makes it ideal for carrying out this role in an
organism?
OA. Its hydrocarbon chains, which help the molecule repel harmful
substances
OB. Its long, narrow shape, which helps it pack tightly with other DNA
molecules
OC. Its four different nitrogen bases, which are connected in long
chains to form specific patterns
OD. Its highly branched structure, which helps the molecule store a lot
of energy in a compact space
Answer:
Option C: Its four different nitrogen bases, which are connected in long
chains to form specific patterns
Explanation:
the special sequence of nitrogen bases (called gene) carry information about different trait we receive from a parent
.......it's all coded in these 4 nitrogenous bases.
the amino acids in the original partial sequence (n-term-...p-i-e...-c-term) have little to no impact on protein structure and function. however the amino acid sequence near the c-terminal end of the protein is required for normal function. any amino acid changes in this region of the protein will result in a nonfunctional protein.
In the primary structure of proteins, any amino acid changes in the functional region of the protein will result in a nonfunctional protein.
How does amino acid sequence affect the function of a protein?Proteins are polymers made up of amino acid monomer units.
The sequence of amino acids in a protein describes the primary structure of a protein.
Proteins are molecules whose functions depend on their structures.
There are four levels of structure in a protein molecule:
primary structuresecondary structuretertiary structure andquarternary structureThe most important structure of a protein is the primary structure. Thus, any change in the sequence of amino acids especially on the active site of the protein will affect the protein function.
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analysis of the first bacterial genome to be sequenced, h. influenzae, revealed .................. rrna genes, ............... different trna genes, and ........... potential protein-coding genes.
Analysis of the first bacterial genome to be sequenced, h. influenzae, revealed 6 rrna genes, 54 different trna genes, and 1743 potential protein-coding genes.
What was the first genome to be finished?Haemophilus influenzae was the first creature whose entire genome was completely sequenced in 1995. Due to their smaller genome sizes, other bacteria and some archaea were sequenced first after it. The 1,830,140 base pair DNA genome of H. influenzae is large.The first genome's sequencing method:The first complete genome of a virus named phiX174 is sequenced by Frederick Sanger and his team in 1977 using a DNA sequencing technique they developed.How is genomic sequencing carried out? What is it?a technique used in laboratories to map out the complete genetic composition of a particular organism or cell type. To detect changes in specific regions of the genome, utilize this technique. These modifications could aid research into the pathogenesis of particular diseases like cancer.
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In the geologic past, volcanic eruptions have had an impact on the availability of resources. How can volcanic eruptions impact the availability of resources?.
Volcanic eruptions can impact the availability of resources by preventing sunlight from reaching producers.
Volcanic ash is responsible for blocking sunlight in the air. Volcanoes erupt with a powerfully destructive mixture of ash, lava, hot, toxic gases, and rock. Explosions from volcanoes have claimed lives. Volcanic eruptions can lead to significant health risks and impact the availability of resources.
Volcanoes produce a variety of land resources. In the west-central Pacific Ocean, on a small volcanic island called Micronesia. In addition to providing a place for people to reside, these volcanic islands have evolved into communication and shipping hubs.
Minerals, volcanic glass, and microscopic pieces of ragged rock make up volcanic ash. Explosive volcanic explosions produce ash. Volcanic ash plumes can cover a sizable portion of the sky, completely blocking out the sun and decreasing visibility. Thunder and lightning are frequently present along with these huge and ominous clouds.
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interesting fact about circulatory system
Answer:
1.The only muscle that is always active and ceases only when we pass away is the heart.
2.An estimated 15 million blood cells are lost per second.
3.Every day, 200 billions of platelets, which are the disk-shaped pieces of blood cells, are created.
4.An infant's blood volume is only one liter, compared to an adult's normal 5–6 liters.
Explanation:
What are staphylococci?
A. Cocci form a ring
B. Cocci that form a line
C. Cocci that form clusters
What was the purpose of using CRISPR in the Anopheles gambiae mosquitoes experiment?Group of answer choicesTo find a way to lower mosquito populations in the wild and get rid of malaria in the future.The purpose of this experiment was to create a new disease like malaria.To find a way to lower mosquito populations in the wild and increase cases of malaria in the future.To find a way to increase mosquito populations in the wild and get rid of malaria in the future.
To find a way to lower mosquito populations in the wild and increase cases of malaria in the future the purpose of using CRISPR in the Anopheles gambiae mosquitoes experiment.
Why do humans get malaria?The malaria parasite, which is spread by infected mosquitoes, multiplies inside red blood cells after entering the human bloodstream. After a few days, these cells burst, infecting other red blood cells and resulting in symptoms such as a severe headache, nausea, vomiting, fever, and coma.
What causes malaria largely?A plasmodium-genus single-celled parasite, which causes malaria. Most frequently, mosquito bites are the means of parasite transmission to people.
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What is this gonna be?
Answers
I think Chris might have said it best
When he said the beautiful ones - they were true every time
She's the reason for all my stress
A solution with a 0.8% concentration of salt is isotonic to red blood cells so the cells stay the same. Cells shrivel in hypertonic solutions and swell and burst in hypotonic solutions. In an experiment testing the effects of various concentrations of salt on red blood cells, which solution would be predicted to cause the red blood cells to swell and burst?
A hypotonic solution containing less than 0.8% of salt concentration will cause the red blood cells to swell and burst.
Hypotonic solution is the one that contains less amount of solute and more amount of solvent in it. When any cell is placed in hypotonic solution, it swells up because the amount of solutes is more in the cell than the solution. As a result the cell may even burst after swelling.
Red blood cells are the type of blood cells that contain the pigment hemoglobin which provides the blood its characteristic color. The hemoglobin not only provide color to the blood but also act as a transport system for the gases across the whole body.
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1. Describe the 4 features that all cells have in common.
2. What are the two types of cells, and what is the difference between these two types of cells?
(class discussion)
The 4 features that all cells have in common are Cytoplasm, plasma membrane, DNA, ribosomes. Further, the two types of cells are Prokaryotes and Eukaryotes.
The Four Common elements of CellsFour elements are present in all cells: the cytoplasm, a jelly-like area inside the cell where other cellular components are located; the plasma membrane, an outer covering that separates the interior of the cell from its surrounding environment; the DNA, the genetic material of the cell; and the ribosomes, tiny particles that synthesize proteins.
Difference between Prokaryotes and EukaryotesProkaryotes, however, vary from eukaryotic cells in a number of ways. A prokaryotic cell is a straightforward, one-celled (unicellular) organism that is devoid of a nucleus or any other organelle that is membrane-bound. Soon, it will become clear that this is very different in eukaryotes.
In contrast to Archaea and eukaryotes, bacteria have peptidoglycan, which is composed up of sugars and amino acids, as well as polysaccharide capsules in many cases. The cell wall serves as an additional layer of defense, aids in maintaining the cell’s form, and stops dehydration.
The cell can adhere to surfaces in its environment thanks to the capsule. Fimbriae, pili, or flagella are present in several prokaryotes. While most pili are employed to exchange genetic material during conjugation, a sort of reproduction, flagella are used for motility.
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A crest of a wave with an amplitude of 5 meters intersects the through of another wave with an amplitude of 2 meters. What is the resulting amplitude?
2 meters
7 meters
5 meters
3 meters
A destructive interference establishes the interaction between the wave's crest and another wave's trough. The resulting amplitude is the difference between the crest and the trough amplitudes. D) 3 meters.
What is a wave composed of?Waves are composed of
Crest: Highest part of the waveTrough: The lowest part of the wave
Several variables can be considered when analyzing waves, such as
Height: Difference between the highest and the lowest part of a waveAmplitude: Distance from the baseline, which is half the wave's height.Wavelength: Horizontal distance between two crestsPeriod: Time spent between one wave and the other oneHere, we are considering the amplitud and the interaction between and wave's crest with a wave's trough, which means we are referring to a destructive interference.
In destructive interference there is no complete anulation of amplitudes when one of the amplitudes is higher than the other one. So to get the resulting amplitud, we should look for the difference between them.
Wave A crest is 5 meters above the baseline. Wave B trough is 2 meter below the baseline.The difference would be 3 meters above the baseline. This means that the resulting amplitud is 3 m.
Option D) 3 meters.
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modified stems bearing modified leaves primordium develops into a bud at the end of a stalk called the pedicel pedicel expands at the tip to form a receptacle, to which other parts attach flower parts are organized in circles called whorls
Flower Morphology to which other parts attach flower parts are organized in circles called whorls.
What is Morphology?
The study of words, their construction, and their relationships to other words in a single language is known as morphology in linguistics. It examines the composition of words as well as their constituent stems, roots, prefixes, and suffixes.
Therefore,
modified stems bearing modified leaves primordium develops into a bud at the end of a stalk called the pedicel pedicel expands at the tip to form a receptacle, to which other parts attach flower parts are organized in circles called whorls
Flower Morphology to which other parts attach flower parts are organized in circles called whorls.
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While walking barefoot on the beach, joe stepped on a thorn that penetrated through the sole of his foot to the dermis. How many layers of epidermis did the thorn penetrate?.
While walking barefoot on the beach, joe stepped on a thorn that penetrated through the sole of his foot to the dermis. The thorn penetrates 5 layers of the epidermis.
The top layer of skin on your body is called the epidermis. It serves a variety of crucial roles, such as shielding your body from the elements, maintaining moisture levels in your skin, generating new skin cells, and determining the color of your skin. It's crucial to look after your skin.
The dermis helps in thermoregulation, sensibility, and support and protection of deeper layers of skin. The basic cells in the dermis are fibroblasts, but histiocytes, mast cells, and adipocytes are also crucial for preserving the dermis' typical form and function. The skin is made up of three tissue layers: the epidermis, and the outermost layer. The middle layer is the dermis. The bottom, or fatty layer, is the hypodermis.
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why can mitosis be called cell duplication
the sense strand of a particular gene (dna) would be identical to the mrna transcript for that gene, except the mrna would have uracil nucleotides instead of thymine nucleotides.
The given statement exists true. Mostly as a result of the hydrolysis-induced release of ammonia during cytosine deamination to uracil.
Why is uracil used instead of thymine?However, RNA uses uracil since the instability doesn't matter as much for RNA because mRNA is very short-lived and any potential errors don't create any permanent damage. Thymine is easily oxidized as well. The nucleus protects the thymine from oxygen.
In contrast to RNA, which also contains adenine, cytosine, and guanine but lacks thymine, DNA only has these four bases: adenine, cytosine, guanine, and thymine.
Mostly as a result of the hydrolysis-induced release of ammonia during cytosine deamination to uracil. When thymine is employed, the cell quickly realizes that the uracil is out of place and can repair it by replacing it with a cytosine once more.
The complete question is:
T/F Some viruses can infect multiple types of host organisms (animals, etc) and may also infect cells of different tissue types within a single host.
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A student is investigating a cell. The cell has a nucleus and organelles as well as a cell wall. Which type of cell is it?
Prokaryotic because it has a nucleus and organelles.
Eukaryotic because it has a nucleus and organelles.
Eukaryotic because it has a cell wall.
Prokaryotic because it has a cell wall.
A cell with a nucleus, a cell wall, and other organelles would be a eukaryotic cell because of the presence of a nucleus and organelles—option 2.
What are eukaryotic cells?Eukaryotic cells are cells that have nuclei and membrane-bound organelles such as mitochondrion, chloroplasts, and so on.
Eukaryotic cells are of two types, namely:
Plant cellsAnimal cellsPlant cells have cell walls and chloroplasts. The chloroplast is an organelle that functions in photosynthesis. Plant cells also have large central vacuoles.
Animal cells, on the other hand, have no cell wall and their vacuoles are usually smaller than that of plant cells.
Considering all this information, a cell that has a nucleus and organelles, as well as a cell wall, would be a eukaryotic plant cell.
Thus, the cell that the student is investigating is a plant cell.
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Define the following terms:
monomer
polymer
dehydration synthesis
hydrolysis
what forms when multiple amino acids join together?
Answer:
A peptide is two or more amino acids joined together by peptide bonds
Explanation:
Controls cell division
A. Golgi apparatus
B. Lysosome
C. mitochondria
D. nucleus
E. ribosome
F. vacuole
The cell nucleus is the organelle responsible for controlling cell division in eukaryotic cells (Option D).
What is the cell nucleus?The cell nucleus is an organelle in eukaryotic cells that contains the genetic material, i.e., the DNA sequence, which is responsible for encoding the information required to synthesize proteins and further biomolecules in a cell. This DNA is a long nucleotide sequence that contains genes that are transcribed to modulate cell division during mitosis or meiosis.
Therefore, we can conclude that the cell nucleus contains DNA that is responsible to modulate the cell division process of cells.
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Given that the starting population, N(0), is 10 and has a growth rate, m, of 2
individuals per unit of time, what will the population be at 25 units of time?
OA. 80
OB. 75
OC. 60
OD. 125
SUBMIT
The starting population, N(0), is 10 and has a growth charge, m, of 2 individuals in keeping with a unit of time, the populace is at 25 devices of time: OA.80
A discrete assemblage of entities with identifiable traits inclusive of human beings and animals with the goal of analysis and information collection is known as a population. It consists of a comparable institution of species that reside in a specific geographical region with the ability to interbreed. the full number of humans dwelling in a specific area in a selected time is referred to as the populace.
The population is one of the important factors which facilitates the balance of the environment, the populace ought to the stable with the means and resources. it can be a set of individuals, items, events, organizations, and so on. you use populations to draw conclusions. Definition 1: Population. An example of a population is the full frame of scientists in the faculty. This includes all college students observed at that school during the statistical series.
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“Why is there so much peat in the peat/perfrost system? (Minimum of 5 sentences)
PLEASE HELP!!!!!!
Answer:
Peatlands form in areas where waterlogged conditions slow down the decomposition of plant material and peat accumulates. This accumulation of carbon-rich plant remains has been especially strong in northern tundra and taiga areas where they have helped cool the global climate for more than 10,000 years.
i just had that :D
Explanation:
What happens to the lungs when air is blown in?
Having completed the experiment, you now see that temperature can affect an enzyme’s ability to catalyze a reaction. All enzymes are affected by temperature changes, and therefore all of them have an optimal temperature for productivity. In the box below, explain what the optimal temperatures of enzymes tell us about the living organisms that contain those enzymes. What conclusions could you draw about two different organisms that contain enzymes with two different optimal temperatures?
The conclusion we can draw about two different organisms that contain enzymes with two different optimal temperatures is they can exploit specific niches and therefore increase fitness in different conditions.
What is a niche?A niche refers to the specific conditions in which an organism can survive. Different species develop different niches in order to exploit their environment by developing adaptive features such as in this case enzymes that work to different temperatures.
Therefore, we can conclude that different species develop different adaptations to exploit specific niches and thus increase fitness in specific environmental conditions.
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Many species of organisms are found only on islands. Lemurs are found only on Madagascar and koalas only on Australia. Which factor contributes MOST to this situation?
Responses
A small land areasmall land area
B limited food varietylimited food variety
C genetic isolationgenetic isolation
D fewer predatorsfewer predators
Answer:
c
Explanation:
genetic isolation occurs when there is no genetic exchange
Part C
A friend believes that studying the genetics of dead organisms offers little benefit to modern-day humans. Do you agree
with this statement? Use information from the article(DNA: our ancient ancestors had lots more) to support your argument. Need help asp thanks
Yes, studying of genetics of dead organisms has offered a great benefit to modern-day humans. This information has greatly uplifted out understanding about the previous beings.
DNA researchAll living things have a fundamental component called DNA, which is made up of information essential for the development of the body and the maintenance of its biological functions.
Thanks to recent technical advancements, scientists can now directly extract DNA from the remains of long-dead people and other organisms.
With the ability to read ancient DNA, we may examine the genetic alterations that shaped modern animals, acquire new information about ancient life, and gain fresh perspectives on intriguing evolutionary puzzles.
How did Neanderthals develop, for instance, and why did mammoths become extinct?Examining systems that influence how genes function, known as epigenetics, can offer additional significant information.
For instance, using epigenetics, we discovered intriguing alterations in the modern human voice box’s (officially known as the larynx) structure that may have enabled us to create complex linguistic structures and produce rich tones.
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I need help to check the answer for those question that have writing underneath and I need help for those question with no pen writing underneath please
The communicable disease is measles, athlete's foot, influenza, and smallpox. The non communicable disease are cardiovascular disease, cancer, asthma and depression.
What is communicable disease?A communicable disease is one that can be transmitted from one person to another via a number of routes, such as contact with blood or body fluids, inhalation of an airborne virus, or insect bites.
Chronic diseases, sometimes referred to as noncommunicable diseases (NCDs), are conditions that develop over an extended period of time as a result of a combination of genetic, physiological, environmental, and behavioral variables.
The four primary categories of NCD are diabetes, cancer, chronic respiratory diseases (such chronic obstructive pulmonary disease and asthma).
Therefore, The communicable disease is measles, athlete's foot, influenza, and smallpox. The non communicable disease are cardiovascular disease, cancer, asthma and depression.
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