The amount of energy the body produces during metabolic processes can be roughly estimated using a bomb calorimeter. The heat energy released when food burns.
Why is oxygen used in bomb calorimeters?High pressure oxygen is required to completely combust the sample in the bomber. Oxygen aids the combustion of the sample and ensures that the sample is completely combusted for accurate final results.
Why is it called a bomb calorimeter?A bomb calorimeter consists of a sturdy steel container (called a bomb) that can withstand the high pressures at which the material inside burns. Therefore, it is called a bomb calorimeter.
What is the difference between a normal calorimeter and a bomb calorimeter?A bomb calorimeter works just like a coffee cup calorimeter, with one big difference. In a coffee cup calorimeter the reaction takes place in water. In a bomb calorimeter, the reaction takes place inside a bomb jar, which is a closed metal container. A bomb calorimeter can provide an accurate approximation of the amount of energy your body produces through metabolic processes.
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ill in the blank. a gujarati village comprises a(n) of organisms: a. ecosystem b. habitat c. niche d. community
A Gujarati village comprises an ecosystem of organisms.
A typical Gujarati village consists of clusters of houses along a central street. The village center has a temple village square shops and a fountain. The land and trade castes live in this central area while the artisan castes live further afield.
An ecosystem is a community of organisms in a particular area. The term eco refers to a part of the world and the system refers to a coordinating entity. Gujarati, like other Indo-Aryan languages, was developed through Prakrit, a large group of ancient Indic languages, and Ababramsha, a transitional dialect spoken in India between the 6th and 13th centuries AD. It comes from Sanskrit.
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A symbiotic relationship that benefits both species is referred to as commensalism. true or fales
Answer:
True
Explanation:
All plant cell walls are made of _____ while all fungi cell walls are made of _____.
The cellulose and chitin-based cell walls of plants and fungus, as well as the cell walls of bacteria, are not the same.
What types of tactile sensors are there?Merkel's disks, Meissner's corpuscles, Ruffini endings, and Pacinian corpuscles are the four main subtypes of tactile mechanoreceptors. In the upper layers of skin that has hair or is glabrous, Merkel's disks are slow-adapting, unencapsulated nerve terminals that respond to gentle touch.
What role does tactile play?The tactile corpuscle is in charge of delivering low-frequency vibrations and light touch sensations from the peripheral nervous system to the brain.
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the theory that those who adapt best to the environment will have a greater chance of surviving and passing on their genes is known as ...
The theory that those who adapt best to the environment will have a greater chance of surviving and passing on their genes is known as Natural selection.
Natural selection is one process of evolution. Creatures with more environmental adaptation have a better chance of surviving and passing on the genes that gave them an advantage. This process causes species to change and diverge throughout time.
Natural selection is a technique used to adapt and transform populations of living things. People in a population are naturally diverse, which means that every person is distinctive in some ways. Due to this diversity, some people have traits that better suit their environment than others. One of the most important aspects of evolution is the modification of a population's inherited traits over successive generations.
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at 50% of maximum life span, how does the survivorship of albertosaurus compare to the survivorship of the crocodile?
Compared to crocodiles, Albertosaurus has a survival rate that is around 100 times higher.
Which curve's mortality rate is the highest?Kind III survival People with Type I survivability have high rates of survival throughout their lives. A steady percentage of people die over time in populations with Type II survival. Populations with Type III survival at young ages have very high mortality rates.
In what ways do survival curves differ?A survivorship curve is a diagram that shows the proportion of members of a particular species or group who live to each age (e.g. males or females). For a specific cohort, survival curves can be produced using a life table (a collection of people who are roughly the same age).
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write the name of any two memberanes that completely cover the brain
Answer:
the inner layer is pia mater
the middle layer is the arachnoid
the tough outer layer is dura mater
Explanation:
Answer:
Three layers of membranes known as meninges protect the brain and spinal cord. The delicate inner layer is the pia mater. The middle layer is the arachnoid, a web-like structure filled with fluid that cushions the brain. The tough outer layer is called the dura mater.
what do endocrine glands release
a. amino acids
b. neurons
c. hormones
d. nerve impulses
Answer: C. Hormones
Explanation: they release hormones into the bloodstream to be transported to various organs and tissues throughout the body
Imagine a transmembrane molecule that lies in the plasma membrane and acts as a receptor for an extracellular signaling molecule. When the ligand-binding domain is inserted into the er during synthesis of this transmembrane molecule, will it lie on the lumen side of the er or the cytoplasm side?.
When a ligand binding domain is inserted into the ER during synthesis of the transmembrane molecule lying in the plasma membrane , it will lie on the lumen side of the ER.
ER stands for Endoplasmic Reticulum. It is a cell organelle present in eukaryotic cells only. There are two types of ER: rough ER (RER) and Smooth ER (SER). The RER is involved in protein synthesis and the SER is involved in lipid synthesis.
Plasma membrane is the outer payer present in all the cells. Its functions is to separate the interior of the cells from the outer environment. It is also a semi-permeable membrane involved in the regulation of traffic crossing it.
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how much physical factors such as temperature and salinity affect organisms is determined by the: group of answer choices environmental resistance carrying capacity ability to osmoregulate range of tolerance of the organisms
Physical factors such as temperature and salinity affect organisms is determined by the carrying capacity.
The physical and biological world where we live in - Environment. Each level of food chain where transfer of energy takes place - Trophic level. The physical factors like temperature, rainfall, wind and soil of an ecosystem - Abiotic factors. One of the most important abiotic factors influencing species composition in marine environments is salinity. Low-salinity (hypoosmotic) stress, which is common in many estuaries and coastal areas, can cause severe physiological stress in marine animals, affecting survival, immune responses, metabolism, protein function, and other cellular processes. Under moderate hypoosmotic stress, increased osmoregulation costs are met by increasing the routine metabolic rate or re-allocating energy to osmoregulatory processes. This, however, limits the potential for growth and reproduction, as well as, ultimately, fitness. The depletion of the organic osmolyte pool caused by low salinity has been proposed to set a critical boundary in osmoconforming marine invertebrates.
Desalination has been predicted for many coastal areas as a result of ongoing climate change, so it is critical to gain a better understanding of the mechanisms that limit salinity acclimation ability.
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What would be the consequence of ectopically expressing Hoxd10 throughout the developing mouse limb bud?
Check all that apply.
converting the thumb into a middle finger.
converting the thumb into an index finger.
converting the index finger into a middle finger.
converting the index finger into a thumb.
converting the middle finger into an index finger.
converting the middle finger into a thumb.
Converting the thumb into an index finger will be the correct option.
What is ectopic pregnancy?
In an ectopic pregnancy, a fertilized egg implants outside the uterus, usually in one of the fallopian tubes.
Fallopian tubes are tubes that connect the ovaries and the uterus. If the egg gets stuck inside, it cannot develop into a baby and can be detrimental to your health if the pregnancy continues. It usually needs to be removed medically or surgically.
About 1 in 90 pregnancies in the UK are ectopic. This equates to approximately 11,000 pregnancies per year.
Therefore, Converting the thumb into an index finger will be the correct option.
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Action potentials from receptors involved in general sensations are interpreted in the.
The two upper chambers of the heart in which blood collects before passing to the lower chambers are called
examine the phylogenetic tree showing the evolutionarily relationships of five organisms which statement most accurately explains the relationship between organisms and the other organisms 
A phylogenetic analyses is a visual representation of how different creatures have evolved over time. Phylogenetic trees are theories, not proven truths.
What in biology does phylogeny mean?A phylogenetic tree, sometimes called a phylogeny, is a visual representation of how several species, creatures, or genes have descended over time from a single common ancestor.
What purposes does phylogeny serve?A potent method for determining how modern species have evolved is phylogenetics. Scientists can better comprehend how species have developed while also gaining insight into the differences and similarities between various species by examining phylogenetic trees.
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PLEASE HURRY ITS TIMES
DNA carries the cell’s genetic information; however, it cannot leave the .
Because of this, it copies part of its nucleotide sequence into a complementary copy of
during the process called .
During this process, the enzyme,
separates the DNA strands.
One strand of DNA acts as the
from which nucleotides are assembled into a strand of RNA.
Each three letter sequence on the mRNA is called a .
The start codon is and the three stop codons are .
Once the mRNA leaves the nucleus it goes to the to prepare for protein
synthesis which is called .
During this process, a molecule brings the to the ribosome.
The amino acids are hooked together by bonds.
The tRNA is able to match up to the mRNA by the in its anticodons.
When the codon is reached, the chain is released into the .
Word Bank:
protein mRNA ribosome tRNA peptide amino acid complementary bases
helicase AUG template stop codon nucleus UAG, UGA, UAA translation cytoplasm transcription
why is no force (tension) developed during the latent period of the twitch graph for a single muscle fiber?
There is no force during the latent period, the motion capacity is being propagated alongside the sarcolemma.
At the molecular level, summation takes place due to the fact the second one stimulus triggers the discharge of extra Ca++ ions, which turn out to be to be had to spark off extra sarcomeres even as the muscle remains contracting from the primary stimulus.
Summation outcomes in more contraction of the motor unit.If a sarcomere is stretched beyond the perfect length (past a hundred and twenty percent), thick and skinny filaments do now no longer absolutely overlap, which leads to much less stress produced. If the muscle is stretched to the factor wherein the thick and skinny filaments do now no longer overlap at all, no cross-bridges may be formed, and no stress is generated.
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Construct a food chain. Label the producer, primary consumer, secondary consumer, and tertiary consumer. An owl eats a snake, the snake eats a squirrel, the squirrel ate a nut.
In the example, the producer is a nut, the primary consumer is a squirrel, the secondary consumer is a snake, and the third consumer is an owl.
What is the consumer in biology?Any organism that is unable to produce its own nourishment is a consumer. Consumers must eat from producers or other consumers in order to exist. Because they are herbivores, deer can only consume grass (Producers). A bear is another example of a consumer. 1. One who purchases products or services for personal use or possession as opposed to selling or use in production or manufacturing. 2. A heterotrophic organism in a food chain that consumes other organisms or organic substances.
Which organism is the consumer?The organisms that eat the producers are the principal consumers. They are many and frequently little in size. Herbivorous animals are the main consumers (vegetarians). The organisms known as secondary consumers are carnivores that consume the prime consumers.
Briefing:As a result, the food chain in this instance is nut—>squirrel—>snake—>owl.
According to the scenario, a nut is indeed the producer, the squirrels is the main customer, the snake is indeed the secondary customer, and the owl is the third consumer.
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What type of energy is released from one trophic level to the next?
The type of energy which is released from one trophic level to the next is metabolic heat energy.
How energy is released from one trophic level to anotherEnergy simply refers to the ability or the capacity of doing work. However, when energy is being transferred from one trophic level to the other, it so happens by means of or the virtue of heat transfer. It is on this premise that we say that energy is released from one trophic level to the next through heat energy.
In conclusion, we can now confirm and deduce from the explanation given above that energy is needed for living organisms to be able to transfer it from level to another.
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Which two factors can both cause a population to increase?
1. birth rate and emigration
2. birth rate and immigration
3. death rate and immigration
4. death rate and emigration
Answer:
2
Explanation: birth rate and immigration since when people immigrate to an area, the population increases. When people are born, the population increases.
An enzyme in potato cell caue oxygen to be produced from hydrogen peroxide. Cube of potato were incubated with hydrogen peroxide at different temperature. The number of bubble of oxygen releaed per minute were counted at each temperature. The table how the reult. Temperature/°C 15 25 35 45 55
number of bubble / bubble per minute 96 98 82 36 1
The reult ugget the optimum temperature for the enzyme i between which two value
Between 45 and 55 °C is where the enzyme functions best.
What's the ideal temperature for an enzyme?The majority of enzymes work best when the temperature is around 98.6 degrees Fahrenheit (37 degrees Celsius). Additionally, some enzymes work effectively at both high and low temperatures. For instance, while animals in desert environments have enzymes that can withstand higher temperatures, those in arctic environments have enzymes that can withstand lower ideal temperatures.
Because more substrate molecules can interact with the enzyme and make more product as a result, the reaction rate will quicken when more hydrogen peroxide is added to the mixture. More foam forms in your cup as you increase the H2O2 concentration in your reaction.
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what is the correct pairing of neurotransmitters in the parasympathetic division of the autonomic nervous system?
The correct pairing of neurotransmitters in the parasympathetic division of the autonomic nervous system is that both release ACH.
What is ACH?
Acetylcholine inside the autonomic nervous system. The neurotransmitter in preganglionic sympathetic and parasympathetic neurons of the autonomic nervous system is called acetylcholine (ACh).
The heart, lungs, upper gastrointestinal tract, and sweat glands all have muscarinic acetylcholine receptors on their peripheral nerve systems.
The central and peripheral nervous systems depend on acetylcholine, a sort of chemical messenger or neurotransmitter, to function properly. It aids in learning, memory, and attention as well as the control of muscular motion and autonomic bodily processes.
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What process of sexual reproduction do some but not all bacteria use?(1 point)
Responses
A. cloning
B. binary fission
C. endospore formation
D, conjugation
Answer: D
Explanation:
5. Below is the DNA sequence for the orange tiger and the mutated DNA sequence of the
white tiger. Look at both sequences and explain
a. what type of mutation took place
b.
how you know.
DNA code
Mutated DNA code
CAG CAG CAG CAG CAG CAG
CAG CAG CAG TAG CAG CAG
The type of mutation that took place is the insertion of a nucleotide into the DNA.
What is mutation?
A major factor in the diversity of organisms is a mutation, which is a change in the genetic sequence. These alterations take place at a variety of levels and might have very varied effects. Mutations may have an impact on an organism by altering its phenotype, or they may have an impact on the way DNA codes the genetic information (genotype). When mutations take place, they may be completely fatal or they may result in the termination (death) of an organism. Mutated RNA code GTC GTC GTC ATC GTC GTCOrganisms having undesirable mutations do not live very long.To learn more about mutations refer to:
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Which invention played a significant role in the development of the cell theory?
Why was this historical event important?
Answer: The invention of the microscope
Explanation:
in rna processing, the intervening coding sequence that is missing from the final mrna is called an .
Exons, which are protein-coding sequences, make up eukaryotic genes. Intervening sequences called introns, which may be crucial in gene regulation but are excised from the pre-mRNA during processing, are also present.
What coding sequence is still present in the finished mRNA?After the final mRNA is created, the process of translation involves reading a succession of codons, which are three-base sequences. The Genetic Code, an RNA code, directs how codons are read.
The regions of coding are known as material exons, whereas the intervening non-coding sections are known as introns. The mature mRNA molecule is subsequently created by a procedure known as RNA splicing, which involves removing the introns.
Nucleic acid coding sequences refer to exons.
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A species that has a large effect on the types and abundance of other species in an ecosystem
In an ecosystem, keystone species play important functions that have a significant impact on the kinds and abundance of other species.
What is meant by ecosystem?An ecosystem is a region where a bubble of life is created by plants, animals, and other species interacting with the weather, environment, and other factors.
What role does the ecology play?Human wellbeing and survival depend on healthy terrestrial ecosystems because they give us access to critical goods and advantages. More than 90% of our food originates from terrestrial ecosystems, which also offer us energy, resources for construction and clothing, health-related products, clean water, and pure air.
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n pea plants, the allele for purple flowers, p, is dominant over the allele for white flowers, p. which conclusion about phenotype and genotype is possible?(1 point)
Dominant and recessive are used in the inheritance pattern of traits. Dominant traits mask the expression of recessive alleles whereas recessive traits can be expressed when two copies of allele is present.
What is the conclusion about phenotype and genotype?It is given that purple flower is dominant and white flower is recessive in pea plants. Hence, presence of at least one P allele will give purple color (dominant phenotype) to the flower. Therefore, the PP is a homozygous dominant genotype. Hence, the phenotype of PP is purple color.
Genotype of the purple (phenotype) flower is PP and that of white flower (phenotype) is pp.
As the purple flowers are dominant over the recessive, their genotype would be PP or Pp. White flowers phenotype would be white and genotype pp because they are recessive.
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In pea plants, the allele for smooth pods (S) is dominant over the allele for constricted pods (s).
Which of the following pairs of terms are correctly matched?
Choose 1 answer:
Option d is correct because pea plants with the dominant S genotype have smooth and constricted pod phenotypes, which are controlled by the S gene.
What distinguishes a genotype from a phenotype?A physical observation of a trait under the control of a gene is called a phenotype.
genotype, on the other hand, is a genetic observation that cannot be physically seen.
The dominant allele is the one that controls a plant's phenotypic characteristics; the other allele, which cannot express itself, is always present in a group, but only the dominant will manifest itself.
If the smooth allele is dominant over the other in a pea plant, it manifests in allelic combination and hides the expression of constricted pods.
SS is the genotype as a result, and the constricted pod is the
phenotype, so choice d is the appropriate one.
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Complete question is " In pea plants, the allele for smooth pods (S) is dominant over the allele for constricted pods (s).
Which of the following pairs of terms are correctly matched?
Choose 1 answer:
Ss - phenotype; smooth pod - genotype
SS - genotype; constricted pod - phenotype
SS - phenotype; constricted pod - genotype.
SS - genotype; constricted pod - phenotype".
During skeletal muscle contraction, ____________ move closer together.
Question options:
A) H band
B) I band
C) Z disk
D) M line
Answer: C) Z disk
Explanation:
the process of breaking down glycogen into glucose is called , while the process of synthesizing new glucose from other substrates is called .
Glycogenolysis is the process of converting glycogen into glucose, whereas gluconeogensis is the process of creating new glucose from other substrates.
Glycogenolysis is the biological process through which glycogen breaks down into glucose and glucose-1-phosphate. Both myocytes and hepatocytes take part in the reaction. Your body turns glucose into glycogen through a process called glycogenesis. Your body breaks down glycogen for use through a process called glycogenolysis. Those two actions Several enzymes participate in glycogenolysis. Gluconeogensis is the process by which glucose is created from non-carbohydrate metabolites. The main precursors for gluconeogensis are pyruvate, lactate, a few gluconeogenic amino acids, and glycerol, which is primarily produced by fat metabolism.
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A marine biologist and cancer researcher worked together to isolate the green fluorescent protein (GFP) gene from a sample of jellyfish DNA. Scientists have successfully inserted this gene into a cancerous tumor in humans in order for the tumor to glow so it can be more easily removed during surgery. What biotechnology is used to accomplish this procedure?
Gel electrophoresis
Polymerase chain reaction
Restriction enzyme digestion
Transgenic technology
A is incorrect
Answer:
The biotechnology used to accomplish this procedure is D transgenic technology.
Explanation:
Transgenic technology involves the introduction of a foreign gene into the genome of an organism, allowing the organism to express the traits encoded by the foreign gene. In this case, the marine biologist and cancer researcher isolated the GFP gene from jellyfish DNA and introduced it into the genome of a cancerous tumor in a human. This allowed the tumor to express the GFP protein, which made it glow and made it easier to remove during surgery. Transgenic technology is a powerful tool for studying gene function and has many applications in biotechnology and medicine.
Answer: D
Explanation:
I took the test