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Mama L [17]
3 years ago
12

Why must a cell that needs to divide follow the sequence of the events of the cell cycle (G1-S-G2-M-C)?

Biology
1 answer:
lakkis [162]3 years ago
6 0
C) the phases are there for the cell to grow and mature properly ( much like a human) - if they don’t grow properly they won’t be able to reproduce.
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A food web is shown below. Which of the following organisms compete for the mouse as a food source?
Pepsi [2]

Answer:

it should be the snake bc I have one and the mouse gets eat in by the snake

8 0
3 years ago
In the cell, energy that drives endergonic reactions is often obtained from
IRISSAK [1]

Answer: B) energy released from exergonic reactions.  

Explanation:

Cell metabolism is the set of reactions that occur in the cellular environment to synthesize or degrade biomolecules to produce energy. Synthesis metabolism of biomolecules is known as anabolic (anabolism) and catabolic degradation (catabolism).

Endergonic reaction (product has more energy than reagents) and requires energy to occur. Anabolism occurs when the cell has sufficient energy or substrate. Catabolism, in turn, occurs in situations in which the body needs energy, such as between meals and fasting.

The reactions of anabolism and catabolism are opposite but occur in an articulated manner, allowing the maximization of available energy. Thus, while catabolism occurs spontaneously, an exergonic reaction with ATP production, anabolism is non-spontaneous, or endergonic, requiring energy to occur. In other words energy that drives endergonic reactions is often obtained from B) energy released from exergonic reactions.

5 0
4 years ago
based on hierarchical organization, place the living systems in order from smallest to largest. blue wildebeest. blue wildebeest
Sunny_sXe [5.5K]

The correct answer is:

1 - Blue wildebeest (Connochaetes taurinus)

2 - Blue wildebeests

3 - Blue wildebeests and Black wildebeests

4 - Blue wildebeests, Black wildebeests, crocodiles, acacia trees

5 - Maasai Mara

A hierarchical organization is an organizational structure where every component of the organization is subordinate to some other component.


8 0
3 years ago
When providing care for a child immediately after a bone marrow aspiration, which nursing action is priority?
xxMikexx [17]

Answer: Monitor the site dressing and vital signs.

Explanation:

The bone marrow is the soft tissue inside bones that helps form blood cells. It is made up of a liquid part and a more solid part.  And it is found in the hollow part of most bones. The bone marrow is

The biopsy and bone marrow aspiration are usually done at the same time. Together, these two procedures may be called a bone marrow study.

Marrow aspiration is the removal of a small amount of this tissue in liquid form for testing. Bone marrow biopsy and bone marrow aspiration are procedures that allow samples of bone marrow (the spongy tissue inside some of the longer bones) to be removed and tested.  In a bone marrow biopsy, the doctor uses a needle to remove a sample of the solid part. In a bone marrow aspiration, a needle is used to remove a sample of the liquid part.

<u>Bone marrow aspiration and biopsy may indicate whether the bone marrow is healthy and producing normal amounts of blood cells</u>. Doctors use these procedures to diagnose and monitor blood and marrow diseases, such as some cancers and fevers of unknown origin.  <u>After the procedure, it is important to control the wound so that it does not become infected, and to monitor vital signs.</u>

7 0
3 years ago
The earliest organisms were completely heterotrophic in nature. Why?
bearhunter [10]
The correct answer to this question is this one: they lacked oxygen. The earliest organisms were completely heterotrophic in nature because of the reason that they lacked oxygen. <span>A heterotroph is an organism that cannot fix carbon and uses organic carbon for growth. </span>
5 0
3 years ago
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