Which of these choices is the original source of energy that humans receive from consuming
an herbivore such as a cow?
Answers
Answer:
the glucose we make from eating the cow
Related Questions
What different gland and hormones are involved in the production of amino acids
Answers
Answer:
Amino acid generated from tyrosines and tryptophan (end in '-ine') and includes adrenaline and norepinephrine. The (produced by the adrenal medulla). Thyroxine (production from the thyroid gland) and melatonin are also included in the amino acid hormones (produced by the pineal gland).
Explanation:
The main control over hormone production and release is negative feedback. The stimulation causes the release of a chemical in negative feedback systems; once it reaches a specific level, the substance sends a signal stopping further discharge.
This ensures a narrow range of the levels of hormones in the blood.
For example, blood glucose is controlled via negative feedback to secrete insulin and glucagons.
What kind of material is found in the C horizon of a soil profile?
hardpan
mineral and organic matter
clay particles
partially weathered parent material
Answers
Explanation:
partially weathered parent material
Answer:
partially weathered parent material
Explanation:
65 points, please answer ASAP
Answers
The wavelike muscular squeezing of the esophagus, stomach, and small intestine that pushes their contents along is called _____. chewing
Answers
Answer:
Peristalsis
Explanation:
Peristalsis is the involuntary contraction of certain muscles. These contractions cause the contents of the muscle/canal to move,
A founding population usually has lower genetic diversity than the original population it came from. For those alleles that are shared by the two populations, how are allele frequencies different (or similar)
Answers
Answer:
In the founding population, the allele frequency is different from the original bigger-sized population. The size of the new population affects this difference even more. Some of the alleles will tend to increase, while some others will tend to decrease in frequency.
Explanation:
Genetic drift is an evolutive force. It is the random change that occurs in the allelic frequency of a population through generations. Its effects are harder in a small-sized population, meaning that the magnitude of this change is inversely related to the size of the original population.
Genetic drift results in some alleles loss -including the beneficial ones-, while some other alleles get fixated. Low-frequency alleles are the most likely to be lost. The changes produced by genetic drift accumulate in time and results in a loss of genetic variability within a population.
Genetic drift affects a population and reduces its size dramatically due to a disaster or pressure -bottleneck effect- or because of a population split -founder effect-. The bottleneck effect most likely affects smaller populations.
Founder effect refers to the origin of a new population from only a few individuals that are coming from a bigger-sized population. These founder individuals, which are carrying some of the genes of the original population, settle down in a new area and reproduce. The new and small population might or might not be genetically representative of the original one. Some rare alleles might be exceeded or might be lost by complete. Consequently, when the small population increases in size, it will have a genetically different composition from the original one. In these situations, genetic variability is reduced, and there exists the possibility of developing a peculiar allelic composition. When the number of individuals that originated the new population is low, the founder effect will be very extreme because the genetic drift effects are inversely proportional to the original number of individuals.
Which of the following energy transformation occur when humans use energy from food to exercise?
Answers
Answer:
Chemical energy from food molecules (potential energy) may also be transformed to mechanical energy (kinetic energy) when the body moves. In every energy transformation, some energy is given off as heat. This is why the body warms up during different activities like exercising, lifting weights, and even digestion!
Explanation:
The direct source of energy for the production of oxygen by phytoplankton is
A. sunlight
B. heat
C. shrimp
D. water
Answers
Sunlight is the correct answer. Hope this helps; have a great day.
Question 28 of 30
The diagram below shows part of the process of DNA transcription. Which
mRNA base will go in location 1?
DNA
TCHCIGATI
ACACAC123
mRNA
A. Uracil
B. Cytosine
C. Thymine
D. Adenine
Answers
Answer:
uracil
Explanation:
uracil is complenentary to adenine in transcription
The diagram below shows part of the process of DNA transcription. Uracil mRNA base will go in location 1.
What do you mean by DNA transcription?The process of turning a piece of DNA into RNA is called transcription. Messenger RNA is said to be produced when DNA segments are transcribed into RNA molecules that can encode proteins.
DNA record is the cycle by which the hereditary data held inside DNA is re-composed into courier RNA (mRNA) by RNA polymerase. After that, this mRNA leaves the nucleus and serves as the foundation for DNA translation.
The nucleus is where transcription takes place. An RNA (mRNA) molecule is produced by using DNA as a template. During record, a strand of mRNA is made that is corresponding to a strand of DNA.
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How is a virus different from a bacterium?
A. A virus causes illness, but a bacterium does not.
B. A bacterium is a living cell, but a virus is not.
C. A virus is a living cell, but a bacterium is not.
D. A bacterium causes illness, but a virus does not.
Answers
Answer:
option B
Explanation:
On a biological level, the main difference is that bacteria are free-living cells that can live inside or outside a body, while viruses are a non-living collection of molecules that need a host to survive.
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Which growth model is a realistic representation of population growth?
A realistic representation of population growth is the _____ growth model.
Answers
Answer:
Logistic Growth Model
Explanation:
The logistic model is realistic because it suggests the fact that the population of species is regulated and controlled by the carrying capacity (maximum members that an ecosystem supports) of the ecosystem. The population becomes small when the carrying capacity decreases.
what happens at the end of translation?
Answers
Answer:
Translation ends in a process called termination.
.DNA is the genetic material that makes up living things, and folic acid plays an important role in the formation of DNA. Jon wants to study the effect of folic acid on DNA formation in microbes. Which statement accurately describe the variables in this study?
A.
Answers
Answer:
folic acid is the variable
Explanation:
Answer:
Explanation:
folic acid is the variable
Which of the following occurs while
homologous chromosomes are paired
up?
A. They create 2 haploid cells.
B. They contain 6 chromatids.
C. They exchange portions of their DNA.
D. They produce two diploid cells.
Answers
Answer:
the answer is d hipe it Helios have a nice day
Which food contains mostly polsaccharides
Answers
Answer:
food with carbohydrates
Explanation:
they comprises of two or more mono saccharides
You may have heard through various media of an animal alleged to be the hybrid of a rabbit and a cat. Given that the cat (Felis domesticus) has a diploid chromosome number of 38 and a rabbit (Oryctolagus cuniculus) has a diploid chromosome number of 44, what would be the expected chromosome number in the somatic tissues of this alleged hybrid
Answers
Answer:
The correct answer is - 2n = 41 chromosomes.
Explanation:
It is given that the cat has a diploid chromosome number of 38 while the rabbit has a diploid number of 44 chromosomes and if they form a hybrid then their expected chromosome number in somatic cells would be -
Cat (2n=38) produces haploid gametes with 19 chromosomes (n-19).
Rabbit (2n=44) produces haploid gametes with 22 chromosomes(n=22)
19+22= 41 chromosomes in the particular hybrid as half number of chromosomes come from each parent.
Which of the following is NOT an example of Karst topography?
A. Haystack hills
B. Sinkholes
C. Runnels and flutes
D. Glaciers
Answers
Runnels and flutes
Days when the Sun’s light hits both hemispheres equally are called __________.
A.
rotations
B.
revolutions
C.
equinoxes
D.
solstices
Answers
Answer:
Equinox!!!
Explanation:
Answer:
it is an equinox.
Explanation:
Equinox
days when the suns light hits both hemispheres equally
hours of daylight and darkness
takes place during solstices.
a scientist is observing a eukaryotic cell and a prokaryotic cell. which structure could she only observe in the eukaryotic cell?
A.) cytoplasm
B.) DNA
C.) ribsomes
D.) Nucleus
Answers
Answer:
The answer is D. Nucleus are only found in Eukaryotes.
Explanation: In the question, we are told to find a structure that is found ONLY in eukaryotic cells. Because of this, we have to eliminate any option that is found only in prokaryotic cells, or any that is found in both prokaryotic and eukaryotic cells. In options A-C, we are given structures found in both types of cells. The cytoplasm, DNA, and ribosomes differ in each type of cell; however, nevertheless, they do not only appear in eukaryotic cells. This makes nucleus the only valid option, as it is only found in eukaryotic cells.
Hope this helps! Comment below for more questions.
What makes aquatic biomes different is the salt
content of the water. What is the salt content in
most marine biomes?
A. 1%
B. 10%
C. 5%
D. 3%
Answers
water covers about 75%of the earth surface. salt content in the Marine biomes is 35ppt. the ocean with the highest level of salt is the Atlantic ocean which has 37ppt of salt.
Answer:
Explanation:3
what is the stage of respiration that occurs in anaerobic conditions In less complex organisms ?
Answers
Explanation:
Glycolysis is the first pathway in cellular respiration. This pathway is anaerobic and takes place in the cytoplasm of the cell. This pathway breaks down 1 glucose molecule and produces 2 pyruvate molecules.
Answer:
Glycolysis
Explanation:
Glycolysis is the stage of respiration that occurs in anaerobic conditions In less complex organisms ?Glycolysis, which is the first step in all types of cellular respiration is anaerobic and does not require oxygen
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Although all neurons are different, they do have some characteristics in common. What are these characteristics
Answers
Answer:
A cell body, an axon, and dendrites.
Explanation:
The similar characteristics of different neurons is their body structure which have the common parts in all neurons. All neurons have three essential parts i.e. a cell body, an axon, and dendrites. Neurons different in size, shape, and structure due to different in their role and location but all these different neurons have the same components of its structure such as cell body, an axon, and dendrites.
Which is an example of why the process of photosynthesis is important to life on Earth?
Grass uses photosynthesis to produce glucose, which is used within the grass for growth.
Fungi use photosynthesis to decompose dead and decaying plant matter.
Ectothermic animals use photosynthesis to convert sunlight into energy for cell functions.
Green plants use photosynthesis to remove oxygen gas from the atmosphere and replenish the earth’s carbon dioxide.
Answers
Scientists have found fossils of cyanobacteria that are more than 3.5 billion years old. How did these cyanobacteria help to change Earth’s early atmosphere to allow for the evolution of aerobic organisms?
A. Cyanobacteria added oxygen to Earth’s atmosphere through the process of photosynthesis.
B. Cyanobacteria added carbon dioxide to Earth’s atmosphere through the process of cellular respiration.
C. Cyanobacteria added methane to Earth’s atmosphere through the process of chemosynthesis.
D. Cyanobacteria added hydrogen to Earth’s atmosphere through the process of nuclear fission.
Answers
Answer:
The answer is A.
Explanation:
Because they evolved to release oxygen through photosynthesis.
Through the process of photosynthesis, cyanobacteria added oxygen to the Earth's atmosphere. The correct option is A.
What is cyanobacteria?Cyanobacteria are aquatic and photosynthetic, which implies they live in water and can make food. Since they are bacteria, they are tiny and usually unicellular, though they frequently grow in visible colonies.
Photosynthesis is the process by which cyanobacteria add oxygen to the Earth's atmosphere.
Thus, the correct option is A.
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There are two main processes involved in producing a protein molecule from the information in DNA. Drag each tile to the correct location on the diagram to show how these processes work. Not all tiles will be used.
Answers
A computational biologist develops a computationally intensive program for DNA sequence alignment. When they use distributed computing techniques to run the program on four computers in parallel, they find a speedup of 4. In this case, what does a speedup of 4 indicate
Answers
Answer: The program completed in a quarter of the time with four computers versus one computer
Explanation:
Distributed computing simply means using distributed systems in solving computational problems and this is done as the problem is divided into many tasks, whereby the tasks are accomplished by one or more computers.
Following the information given in the question, a speedup of 4 indicate that the program completed in a quarter of the time with four computers versus one computer.
which type of data is qualitative data
a)height in meters
b) volumes in milliliters
c) calculations of density
d) descriptions of behavior
Answers
Qualitative data is data that can be observed but cannot be measured
The only thing not being measured is descriptions of behavior
Answer:
d
Explanation:
qualitative data is typically descriptive data
Apply the concept of sustainable development to harvesting
trees in the timber industry. How could trees be cut down without drastically impacting the forest ecosystems?
Answers
Answer:
You can cut down the trees without hurting the trunk
Explanation:
Trees can regrow from their trunks.
Answer:
timber industries needs to plant more trees to replace the ones they destroyed
Until DNA evidence provided evidence to the contrary, flagellated spores were used to group the blastocladiomycetes with the ____.
Answers
Answer:
Chytridiomycetes
Explanation:
Blastocladiomycetes were initially grouped under the phylum Chytridiomycetes within the fungi kingdom because the former also have flagellated spores just like the latter
The similarity in spores initially made scientists classify both groups as zoosporic fungi. However, DNA and structural analysis of the spores of the two groups showed that Blastocladiomycetes has no monophyletic relationship with Chytridiomycetes.
how would you relate the new pandemic (C0vID 19) in the imbalance of ecosystem due to biodiversity loss?
Random Answer = Report
Correct Answer = Brainliest
Answers
Answer:
Due to no controlling agent for harmful microbes that causes new pandemic.
Explanation:
The new pandemic leads to imbalance of ecosystem due to biodiversity loss because the absence of antimicrobial agent causes the pandemic. The antimicrobial agent is responsible for the control of harmful microorganism so due to disturbance in the ecosystem, the biodiversity losses occurs and there is no organism which stop or control the population of the harmful organism that causes new pandemic.
A resultant force is?
Answers
Answer:
When two or more forces act on an object, the resultant force can be found by adding up the individual forces.
