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Andrei [34K]
3 years ago
14

A researcher is attempting to extract specific cells from a human kidney to regenerate and repair damaged kidney cells in a pati

ent. the research is attempting to extract ________.
a.) totipotent stem cells
b.) embryonic stem cells
c.) adult stem cells
d.) all of the above are correct
Biology
1 answer:
timama [110]3 years ago
4 0
The answer is b. right ??
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Can someone help me if this is correct
Temka [501]

Answer:

b is the correct answer of your question

4 0
3 years ago
Ecosystem services include processes that increase the quality of the abiotic environment. Which of the following processes woul
slega [8]

Answer:

Option D, only II, III, and IV

Explanation:

Complete Question

Ecosystem services include processes that increase the quality of the abiotic environment. Which of the following processes would fall under this category?

I) Keystone predators have a marked effect on species diversity.

II) Green plants produce the oxygen we breathe.

III) The presence of land plants builds soil.

IV) The presence of diverse wetlands helps in flood control.

A) only II and IV

B) only I and III

C) only I, II, and IV

D) only II, III, and IV

Solution -

The services of ecosystem has been classified into four groups  

a)  Provisioning – Where essential abiotic and biotic substance are produces such as production of food and water, reproducing offspring etc.  

b) Regulating – the ecosystems is controlled through environmental factors such as control of climate and disease

c) Supporting – Ecosystem support the activities that are essential for survival. Primarily includes all nutrient cycles, oxygen generation etc.  

d) Cultural – Provide aesthetic view and  recreational benefits

Option II co mes under supporting service of ecosystem

Option III co mes under Provisioning service of ecosystem

Option IV co mes under Regulating service of ecosystem

Hence, option D is correct

5 0
3 years ago
Evolution is one of the unifying themes of biology. Evolution involves change in the frequencies of alleles in a population. For
lapo4ka [179]

A Mutation occurring in the population will change the allelic ratio.

<h3>What is evolution?</h3>

Evolution refers to the changes that occurs in organisms over a long period of time such that those changes results in new species better adapted to their environment and having higher specialization.

One of the factors of evolution is mutation.

According to the Hardy-Weinberg principle, the allele and genotype frequencies of a population of organism in equilibrium will remain constant in the absence of evolutionary influences.

Therefore, if a mutation occurs in the population, the allelic ratio will change.

Learn more about Hardy-Weinberg principle at: brainly.com/question/1365714

3 0
2 years ago
Sweating when it’s hot outside is a a example of which character is tics of life
nekit [7.7K]

Answer: excretion... could also be sensitivity

Explanation:

M ovement

R eproduction

S ensitivity

G rowth

R espiration

E xcretion (removal of waste such as by defacation or sweating)

N utrition

7 0
2 years ago
The lake at .8 in the diagram is one of the primary points of the charge for the offer. Assuming the maximum rate of recharge is
Tomtit [17]

Answer:

.12

Explanation:

7 0
3 years ago
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