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FrozenT [24]
2 years ago
10

Question 26

Biology
1 answer:
Anettt [7]2 years ago
3 0

Explanation:

cholesterol helps keep the plasma membrane hydrophobic.

I think this is the answer but I am not sure if it's correct or wrong

but ik that plasma membrane has a little bit of hydrophobic and hydrophilic regions

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The diagram below shows a particle of food being moved along the human digestive tract by alternative waves of relaxation and co
KATRIN_1 [288]
Peristalsis is the involuntary relaxation and constriction of the muscles of the digestive system which causes the movement of food in the digestive system. This is actually one of the reasons why you can eat upside down, however it is not advisable. 

The answer is PERISTALSIS.

A  Kidney/s: They are bean-shaped organs that filter waste products and urea from the blood. The filtering units of kidneys are called nephrons. Along with water, these waste products and urea are what makes up urine.

B. Ureters - 
These are thin tubes that connect the kidney and bladder. From the kidneys, the urine passes through the ureter down to the bladder. These ureters are just about 8 to 10 inches long. The ureters' walls tighten and relax to prevent back flow of urine. 

C. Urinary Bladder - 
The bladder is a hollow and balloon-shaped. It collects the urine from the ureters. The bladder is held up by ligaments that are attached to the pelvic bones and other organs. The bladder has a sphincter that prevents leakage into the end point of the urinary system. 

D. Urethra
- It is a tube that allows the passage of urine out of the body. Men generally have longer urethras than women. In women, the urethra is about 2 inches long and in men, about 8 inches long. 


4 0
3 years ago
It takes the Earth
netineya [11]

Answer:

The answer is D. One year

8 0
3 years ago
Read 2 more answers
Why is it important to use a weakened virus in a vaccine?
PolarNik [594]

If you used a full active virus, that defeats the point of a vaccine. You will trigger your immune response, but since you would just be injecting the virus, it will make you sick, and your body will be less effective at fighting the pathogens.

Viruses in vaccines are weakened, so they essentially will not "fight" back. They most importantly just contains the antigen markers so the body can trigger the immune response, quickly eradicate the pathogen, and build up the memory cells to that virus.

Injecting a virus that is not weak will just be the same thing as if you got the virus, you will likely get sick.

6 0
3 years ago
Use the drop down menu's to identify the labeled organelles in the plant cell to the right ​
m_a_m_a [10]

Answer AND Explanation:

A  Sap vacuole

B Cell wall

C Chloroplast

D Starch granule

5 0
3 years ago
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Which of these statements is true:
PilotLPTM [1.2K]

Answer:

Option a is the one, that is true.

Sister chromatids separate in anaphase of mitosis and anaphase Il of meiosis

Explanation:

After the interphase in the cell division cycle, the mitosis process begins, which is composed of 4 phases, prophase, metaphase, anaphase and telophase. The prophase occurs when the chromatin is condensed and the mitotic spindle is formed, the metaphase the chromosomes align along the cell equator, in the anaphase the separation of the sister chromatids occurs and in the telophase finally the heterochromatin is converted into euchromatin and the envelope is formed nuclear cell.

Meiosis, which is the cell division of germ cells, also has the same phases but they occur on two occasions: prophase I, metaphase I, anaphase I and telophase I for meiosis I and for meiosis II, prophase II, metaphase II, anaphase II and telophase II. In the anaphase I the homologous chromosomes are separated, they are condensed in the prophase II while in anaphase II the chromatids are separated.

4 0
3 years ago
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