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elena-s [515]
3 years ago
8

One feature that amphibians and humans have in common is

Biology
1 answer:
Ipatiy [6.2K]3 years ago
8 0

Answer:

Both have two circuits for circulation.

Explanation:

  • The two circuits of circulations are known as the systemic circuit and the pulmonary circuit.
  • In the<u> systemic circuit</u>  oxygenated blood from the heart is pumped to all parts of the body through the blood vessels and then the blood is pumped back to he heart.
  • In the<u> pulmonary circuit</u>  deoxygenated blood from all parts of the body is pumped from the heart to the lungs to be oxygenated and after it is oxygenated it is pumped back to the heart.
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Describe the most common molecular mechanism for recessively inherited human genetic diseases such as cystic fibrosis.
Marta_Voda [28]

Answer:

Explanation:

cystic fibrosis is an autosomal recessive disorder. When the child receives the defective gene from both of his parents, he suffers from cystic fibrosis. Because his parents are carriers. In recessive genetic disorder, the genes will be expressed when both recessive genes are present in one person. The person suffering from this disease have a lung infection and pancreatic dysfunction.  

In this cystic fibrosis, genes are located in chromosome 7. The effective gene is the CFTR gene. The CFTR gene is present in the DNA and by transcription, this forms CFTR protein. This is a channel protein and transports chloride ion.

This CFTR protein transports chloride ions and it makes a balance in the cell membrane. These genes are commonly present in the epithelial cells. Outside the epithelial mucus is present to keep the cells moist.

The epithelium gets a lack of water and chloride due to the defect. Therefore cells need CFTR proteins also. This causes lung infection and pancreatic disorder.

6 0
3 years ago
Scientists have determined that the high nitrate levels in local groundwater supplies are due to the use of soil fertilizers in
ololo11 [35]
I believe D because if the fertilizer had a concentrated source of nitrate (which plants do need) then when watering that can go into the ground water which is underground <span />
4 0
3 years ago
Which statement is true?
cluponka [151]
Its number 1. my cousin had a book that said it. he was really into space
3 0
3 years ago
The term __________ refers to lack of control over bowel movements that is not caused by an organic problem.
damaskus [11]

The term faecal incontinence refers to lack of control over bowel movements that is not caused by an organic problem.

The inability to control bowel motions results in faeces (stool) leaking unexpectedly from the rectum in faecal incontinence. Fecal incontinence, also known as bowel incontinence, can range from the infrequent leakage of faeces when passing gas to a total lack of bowel control.

Faecal incontinence is frequently brought on by muscle or nerve injury, constipation, and diarrhoea. Damage to the muscles or nerves may be brought on by ageing or giving birth. Faecal incontinence can also develop in those who are unaware that they need to pass stool. We refer to this as passive incontinence.

Therefore, The term faecal incontinence refers to lack of control over bowel movements that is not caused by an organic problem.

Learn more about faecal incontinence here;

brainly.com/question/8822587

#SPJ4

4 0
1 year ago
if a prey evolves to increase its defenses, its predator often evolves to counteract this change. a. True b. False​
DerKrebs [107]

Answer:

a. True

Explanation:  

Coevolution is a biological process where pairs of species or among groups of species reciprocally affect each other's evolution through natural selection. This process produces genetic changes in the traits of interacting species that are a consequence of reciprocal adaptation between these interacting taxa. Coevolution occurs when species are ecologically intimate (i.e., they interact with one another), such as the interaction between hosts and parasites or predators and prey.

7 0
2 years ago
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