Answer:
The light microscope.
Explanation:
The light microscope allowed scientists to view actual cells for the first time.Specifically Robert Hooke
Which is the least likely reason that pigs have been chosen as donors for humans in the process of xenotransplantation? pigs are free of known diseases. pigs are cost-effective to raise. pigs have the same dna as humans. pigs are quick breeding.
The least likely reason that pigs have been as donors for humans in the process of xenotransplantation is pigs are of known diseases. It is any procedure contains the transplantation.
What is an example of xenotransplantation?Xenotransplantation products include those from transgenic or nontransgenic not human , animals and composite products that contain xenotransplantation products in combination with drugs or devices.
Thus, option, "A" is correct.
To learn more about xenotransplantation click here:
https://brainly.com/question/14171023
Answer:
ITS NOT OPTION A!!
Explanation:
After wolf reintroduction into Yellowstone National Park in 1995, it was observed that the growth of willows and aspens increased. Based on your understanding of trophic cascades, which is the most likely explanation for this observation
The growth of willows and aspens increased due to reduction of herbivorous animals such as deer in the park.
Why the growth of willows and aspens increased?After wolf reintroduction into Yellowstone National Park in 1995, it was observed that the growth of willows and aspens increased because the wolves control and reduce the population in the normal range.
So we can conclude that the growth of willows and aspens increased due to reduction of herbivorous animals such as deer in the park.
Learn more about reintroduction here: https://brainly.com/question/25958333
Deaths associated with earthquakes in sloping areas results from what other natural disaster?
Answer:
landslides i belive
Explanation:
just a guess ig
An exception to the one gene–one enzyme hypothesis is __________
Answer: A
A mutation in a single gene can result in a defective protein.
Explanation:
Hope this helped! Please give branliest.
Vhich type of scientific statement is defined
niversal because it has
as a statement of fact that is
always been observed to be true?
generally accepted to be true and
theory
probability
law
hypothesis
Question 4 of 15
The pitch of a sound wave is its____
-frequency-
______________
Which phrase accurately describes the frog in this food chain?
Answer:
Energy and Materials
Explanation:
Which type of wave is most affected by gravity from the Sun and the moon?
Answer:
Tidal wave
Explanation:
He made several statements about the tree. which statement is not true? the leopard is more closely related to the jaguar than to the snow leopard. the leopard is more closely related to the tiger than to the clouded leopard. the leopard is more closely related to the snow leopard than to the clouded leopard. the leopard is more closely related to the tiger than to the snow leopard.
Answer:
I'm certain it's the leopard is more closely related to the tiger than to the snow leopard.
Explanation:
Snow leopards are the organism more closely related to leopards than are clouded leopards.
What is a snow leopard?Snow leopards are also known as ounce. The scientific name of the snow leopard is Panthera uncia.
What are clouded leopards?The scientific name of clouded leopard that are wild cat is Neofelis nebulosa.
Clouded leopards are a kind of wild cat. They belong to a separate genus Neofelis,
To learn more about clouded leopards, snow leopards, and leopards here,
https://brainly.com/question/2760241
#SPJ2
What part of the plant develops into the fruit?
F. The stem
G. The leaves
H. The flower
J. The root
Answer:
the flower
Explanation:
i dont know why its just the flower
List three biological activities that require energy
14. What do all organisms have in common?
a. They are all genetically identical.
b. They are all prokaryotes.
c. They are all eukaryotes.
d. They all use DNA to pass on traits.
Answer:
a. they are all genetically identical
17. Eukaryotic cells sometimes cannot get oxygen to their cells and will therefore switch to which process?
what is natural selection not based on
Answer:
Natural selection is the process by which some organisms in a population survive and reproduce, while others do not, based on their bodies and behaviour. It is one of the processes by which species change from generation to generation, and is a crucial element of the theory of evolution.
Explanation:
What specific DNA feature of the sickle cell mutation allowed us to distinguish between the HbA and HbS alleles
The specific DNA feature of the sickle cell mutation that allowed us to distinguish between HbA and HbS alleles is a single amino acid.
What is sickle cell anemia?Sickle cell anemia is a disease in which the blood cells become sickle shaped. The disease is genetic.
The genes responsible for sickle cell anemia is HbS allele. HbA allele is responsible for normal cells.
Thus, the specific DNA feature is a single amino acid.
Learn more about sickle cell anemia
https://brainly.com/question/876359
#SPJ1
Which of the cell types would secrete their product if the blood glucose level was rising, as during digestion of a meal?.
Researchers notice that animal populations in a wildlife preserve have been decreasing. Which step should the researchers perform to obtain the most valid data about the decreasing animal population?
Answer:
Check the areas that need excessive maintenance
Explanation:
Answer: Throughout the year count and record animals throughout the preserve, as well as log animal deaths.
Explanation: C
The energy that gets to the top-level consumers originally comes from
A.the Sun.
B.the water.
C.the producers.
D.the decomposers.
The energy that gets to the top-level consumers originally comes from
the Sun.
How does energy from the sun get to a top level consumer?Plants use energy from the sun to convert water and carbon dioxide into usable sugars, a process called photosynthesis.
Those plants may then be eaten by bugs, who are eaten by animals, who are then eaten by larger animals.
Thus, option "A" is correct, the sun.
To learn more about the Sun click here:
https://brainly.com/question/2364389
#SPJ1
The arteriole that delivers blood to the glomerulus is the __________.
Answer:
The arteriole that delivers blood to the glomerulus is the Afferent arteriole
Animals that are born in water, then transform and live on land as adults, are cold-blooded, and have thin breathable ski are grouped in the class
Answer:
i belive it's amphibians? I think
if we eat raw leafy vegetables, would we be able to digest them? what about raw meat? give a reason for your answer
Answer:
no,we can not survive only on raw leafy vegetables because it contains cellulose, which is a type of carbohydrate that human are not able to digest due to absence of cellulose-digesting enzymes
Toxic waste leaking from a barrel buried deep underground would be considered which type of pollution?
point source pollution
non-point source pollution
Unlike the chordates, the other Deuterostome phyla of Echinoderms and Hemichordates are both comprised of ________. marine species tetrapod species detritivores terrestrial species
Deuterostome phyla of Echinoderm animals and Hemichordate animals are both comprised of marine species.
What are Deuterostomes?Deuterostomes are organisms (i.e., animals) in which the anus appears first than the mouth in the embryos.
Embiologically, the development of Deuterostomes involves the formation of a structure called the blastopore.
Deuterostomes emerged after protostomes, which represents an evolutionary older lineage.
Learn more about Deuterostomes here:
https://brainly.com/question/347120
Which of the male accessory glands encircles the urethra?.
Which is not a meninx of the nervous system? select one:
a. Subarachnoid space
b. Dura mater
c. Pia mater
d. Arachnoid?
The answer to that my friend is letter A ;)
HELPPPPPPPP PLEASEEEE
I HAVE BEEN AKSING FOR HELP PLEASE SOMEONE
Haldane, a Soviet scientist, proposed in 1929 that a combination of carbon dioxide, water, and ammonia, when exposed to ultraviolet light, can form a variety of organic molecules. The conditions modeled by Haldane's experiment simulated the oceans of early Earth. Which hypothesis of the origin of life on primitive Earth is described by Haldane's experiment? A) panspermia hypothesis B) abiogenesis hypothesis C) primordial soup hypothesis D) hydrothermal vent hypothesis
Answer: In an experiment by Stanley Miller, the chemicals methane, hydrogen, ammonia, and watervapor were subjected to a high-energy.
D). Is your correct answer
Explanation:
What happens after mRNA
leaves the nucleus?
Answer: It goes to the ribosome for translation to occur. The ribosome is located in the cytoplasm.
The left side of the heart receives oxygenated blood from the lungs through the.
Answer:
left atrium
Explanation:
The oxygenated blood is brought back to the heart by the pulmonary veins which enter the left atrium. From the left atrium, blood flows into the left ventricle. The left ventricle pumps the blood to the aorta which will distribute the oxygenated blood to all parts of the body.
what type of biomolecules is in bread/grains?
Answer:
Carbohydrates would be the answer.
Explanation:
Bread and grains both have carbohydrates.
Which of the following is not a reason that nonnative species are reared outside their native ecosystems? a. they are commercially important. b. they are used to replace native species. c. they are used for restocking programs. d. none of the above please select the best answer from the choices provided a b c d
Since invasive species are in a new environment, free from natural predators, parasites, or competitors, they often develop large population sizes very rapidly. These high populations can out-compete, displace or kill native species or can reduce wildlife food and habitat.
It would be D. Have a nice day!