Answer:
2
Explanation:
because complementary RNA nucleotides bind with the template strand of DNA
The greatest health risk from food today is contamination via Multiple Choice parasites. prions. viruses and bacteria. fungi.
We can confirm that the greatest health risk from food today is contamination via viruses and bacteria.
Why are we at risk of contamination from these sources?Viruses and bacteria are the greatest threat to humans at the current time, as far as food contamination. These organisms are microscopic and thrive in many of the most common human foods. While parasitic infections are rare and fungi can often be spotted on food, viruses and bacteria are nearly impossible to notice and much more common in food.
Therefore, we can confirm that the greatest health risk from food today is contamination via viruses and bacteria.
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Based on the data in Table 1, complete the cladogram using the template provided to indicate the evolutionary relationships of the four species: African elephants (Loxodonta africana), Asian elephants (Elephas maximus), woolly mammoths (Mammuthus primigenius), and dugongs (Dugong dugon)
The cladogram will show that the African elephant and the Asian elephants are the most related species while the dugong is the least related species with the rest.
What is a cladogram?A cladogram is a pictorial illustration in the form of a branching tree which illustrates evolutionary relationship between species of oraganisms.
The four species under consideration are as follows:
African elephants (Loxodonta africana),Asian elephants (Elephas maximus),woolly mammoths (Mammuthus primigenius), anddugongs (Dugong dugon)A cladogram showing evolutionary relationship between the species will show that the African elephant and the Asian elephants are the most related species as they most recently evolved from a common ancestor.
The dugong is least related while the woolly mammoth share a common evolutionary relationship with them.
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if two organisms are in the same class, they MUST also share which of the following? A. kingdom and family B. genus and species C. phylum and genus D. kingdom and phylum
Answer:
kingdom and family
Explanation:
Clausen and colleagues proposed two hypotheses to explain this variation within a species: (1) There are genetic differences between populations of plants found at different elevations. (2) The species has developmental flexibility and can assume tall or short growth forms, depending on local abiotic factors. If you had seeds from yarrow plants found at low and high elevations, what experiments would you perform to test these hypotheses
A possible experiment to test these hypotheses would be to plant the seeds at different elevations and verify the differences in these.
What is an experiment?This is a scientific procedure that aims at testing hypotheses or potential explanation for a phenomenon.
What should be considered when designing a hypothesis?Make sure the factors tested can be measured.Control variables.Design an experiment that can test the hypothesis.What is the best experiment?There are two possible experiments:
Planting yarrow plants at different elevations and observing if their height is different.Genetics studies to determine if there are genetic differences.Learn more about experiments in: https://brainly.com/question/11256472
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What would happen to the concentrations of atp, nadph and sugars if psi stopped working?.
Answer:
ATP will increase while NADPH and Sugar will decrease
Explanation:
Unlike effective irrigation methods that could be considered sustainable, fishing techniques that are too effective are causing low bycatch and reduced hauls.
True
False
Answer:
True
Explanation:
I took the test
Answer: its true
Explanation: I also got it right :)
During emerging adulthood, all body systems _____.
Answer:
function optimally.
Explanation:
During emerging adulthood, all body systems function optimally.
According to ernest hilgard, hypnosis is the result of __________. a. accepted roleplay between hypnotist and subject b. suggestions accepted by the conscious mind c. entrance into a special state of consciousness d. the effects of a "hidden observer" in the unconscious
According to Ernest Hilgard, hypnosis is the result of the effects of a hidden observer in the unconscious. Hypnosis is a state of loss of voluntary functions in the conscious state.
What do you mean by Hypnosis?Hypnosis may be defined as a state that corresponds to sleep but is caused by a person whose directions are readily accepted by the subject.
The hypnotic individual lacks the power of voluntary actions and is positively responsive to directions, suggestions, and reccomendation. Although, it is a state of consciousness.
Therefore, according to Ernest Hilgard, hypnosis is the result of the effects of a hidden observer in the unconscious.
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Answer: B. suggestions accepted by the conscious mind
Explanation: According to Theodore Barber, hypnosis is the result of suggestions accepted by the conscious mind
Mark looks at an unknown cell under a microscope. What structure could he observe to help him identify whether the cell came from a plant?
A. Nucleus B. Cell Wall
C. Cytoplasm D. Cell Membrane
PLEASE HELP!!!! need the question answerd asap!!
Answer:
I thinked it only for algebra
We consider both mineral resources and energy resources to be resources, many of which have a geologic origin.
a. True
b. False
Answer:
Don't count on me but I would say B. False
Explanation:
Hope I am right
The dna polymerase extends the primers into a new dna strand by.
Answer:
adding nucleotides one by one
Explanation:
A typical primer is about five to ten nucleotides long. The primer primes DNA synthesis, i.e., gets it started. Once the RNA primer is in place, DNA polymerase "extends" it, adding nucleotides one by one to make a new DNA strand that's complementary to the template strand.
A person who suffers from phenylketonuria (PKU) is unable to process phenylalanine because of a dysfunctional ______, a protein that is encoded by their DNA.
Answer:
enzyme
Explanation:
Enzymes are a type of protein.
Answer:
Enzyme
Explanation:
A person who suffers from phenylketonuria (PKU) is unable to process phenylalanine because of a dysfunctional enzyme, a protein that is encoded by their DNA.
Why is daily muscle strengthening activity not recommended?.
Daily muscle training is not recommended as it will lead to injury and fatigue.
Why does daily training lead to injury?Muscle training is an intense activity for your muscles. Training every day can cause injuries such as muscle tears or tendonitis from overusing the muscle in an intense manner for too long. For this reason, it is best to allow the muscle to rest at least one day before attempting to train again or undergoing intense activity.
Therefore, we can confirm that daily muscle training is not recommended as it will lead to injury and fatigue due to overusing the muscle in an intense manner.
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What it the difference between helper T cells and Killer T cells?
Answer:
Helper T-cells stimulate B-cells to make antibodies and help killer cells develop. Killer T-cells directly kill cells that have already been infected by a foreign invader.
Explanation:
please consider as brainlest if i helped you
help anyone??
explanation:
Answer:
G. The star is cooler than a blue star
Explanation:
If the star the astronomer observed is similar in color and size to our sun, then it's impossible for it to be a white dwarf star because they are white and much smaller, while the star the astronomer observed had to have been some shade of yellow or orange and is similar in size to our sun.
A blue star is hotter than our sun by approximately 5000 kelvin. If the star observed is similar in color to our sun then we know that it hasn't reached a temperature hot enough to surpass a blue star, for colors of star change depending on temperature.
Our sun is not as bright as a red giant star. If the observed star was similar in color and size to the sun, then it couldn't have been as bright either.
There is no evidence that supports the star is farther away from other stars in the solar system.
Therefore, the option that makes the most sense is option G.
hope this helps :)
What does Gene expression control
Billy loves to eat raw seafood and does so frequently. As a result, Billy runs the risk of suffering from: a. botulism b. rashes c. hemolytic-uremic syndrome d. parasitic infection e. bovine spongiform encephalopathy
Given what we know, we can confirm that by eating raw seafood, Billy runs the risk of contracting a parasitic infection.
What is a parasitic infection?Parasites are organisms that live inside another organism, this second organism is known as the host. The parasite steals nutrients from the host in order to survive, this often results in the death of the host if the parasite is not combated. These parasites are common amongst fish and are why Billy is at increased risk of parasitic infection by eating raw seafood.
Therefore, we can confirm that by eating raw seafood, Billy runs the risk of contracting a parasitic infection.
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Which molecule do mammals use to store extra glucose?
Lipids
Proteins
Nucleic Acids
Carbohydrates
Mendel crossed a true breeding yellow seed pea plant with a true breeding green seed pea plant and the resulting F1 offspring were all ____________.
The resulting F1 offspring of a cross between a true breeding yellow seed pea plant with a true breeding green seed pea plant is 100% yellow.
What is Mendelian cross?Gregor Mendel is referred to as the father of genetics because of his immense contribution to inheritance.
He crossed a dominant yellow pea plant with a recessive green pea plant as follows:
YY (true breeding yellow seed) × yy (true breeding green seed)
The F1 offsprings (Yy) will all possess yellow seeds because yellow trait is dominant over the green.
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What is the process in which the number of chromosomes per cell is cut in half through the separation of homologous chromosomes in a diploid cell?.
Meiosis (rather than mitosis, which duplicates the cell)
Fossils that have characteristics common to both an ancestral species and descendent species are called.
Are you more likely to observe evolution between the s0 and s1 or the s0 and f1 population? explain your reasoning
Bettween the s0 and s1 or the s0 and f1 population, evolution will be observe most likely in the population with less gene flow and higher rate of mutation.
What is evolution?Evolution refers to a series if gradual and cumulative and transferrable changes which occur in organisms that resulted in the formation of new species from existing species.
Factors affecting evolution include;
gene flow,the rate of mutation andnatural selection.When there is less gene flow between populations as well as higher rate of mutation, evolution of species will be most like likely.
Therefore, between the s0 and s1 or the s0 and f1 population, evolution will be observe most likely in the population with less gene flow and higher rate if mutation.
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What occurs at the ATP synthase?
Answer:
Phosphorylation of ADP, i.e. ATP synthesis
Explanation:
Long answer: The protons from the inter-membrane space flow into the matrix of the mitochondrion through ATP synthase. As they are moving down the concentration gradient, energy is released and this is used by ATP synthase to phosphorylate ADP, i.e. add inorganic phosphate to ADP in order to create ATP.
15. Electromagnetic radiation is generated by stars
and has wavelengths and frequencies that
contribute to each wave's special
characteristics. Many different types of
telescopes are used to study these phenomena
so that scientists can get a better picture of our
universe. Which telescope would be used to
detect temperature signatures left behind by
ancient stars?
18. Mary is making a computer model comparing
the rotation of Earth to the rotation of the Sun.
What information should be included in the
model?
A. radio telescope
B. infrared telescope
C. reflecting telescope
D. refracting telescope
Answer:
B
Explanation:
A person dies from sudden cardiac arrest every _______ seconds.
Answer:
315.36 seconds
Explanation:
A person dies from sudden cardiac arrest every 315 seconds. This is a heart condition which results into unexpected stoppage of heart beats.
What is Cardiac arrest?Cardiac arrest is a condition in which the heart suddenly and unexpectedly stops beating. It is a medical emergency which without any immediate medical intervention, could result in sudden cardiac death of person within minutes. Cardiopulmonary resuscitation (CPR) is one method which could save the patient and possibly defibrillation are the needed treatments until further treatment can be provided to the patient. Cardiac arrest results in a rapid loss of consciousness in a person, and breathing may be abnormal or absent in this case.
Some of the most common causes of cardiac arrest involve an already underlying heart problem like coronary artery disease which decreases the amount of oxygenated blood supplying the heart muscles.
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10. What is a situation where mtDNA might be used? (1 point)
-when there is a large amount of nuclear DNA
-on the teeth and bones of skeletonized human remains
-on a victim who has just died
-when blood is present at the scene
Answer: On the teeth and bones of skeletonized human remains.
PLSSSS HELP MEE
6) lohn uses dog treats to train suis dog, Jack, to sit and stay. When his dog performs an action correctly, John gives Jack a treat. This is an example of
A) a reflex behavior.
B) conditioned behavior.
C) observational behavior.
D) a dog's social behavior
Answer:
Its A
Explanation:
brainliest please if its right
What is the IMA of the following pulley system? 1 3 4 2
Answer:
Explanation:
IMA Pully system is 3
by the time the fertilized egg implants in the uterus it has become a collection of hundreds of cells called
zygote I think is the answer