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mojhsa [17]
2 years ago
12

The average animal cell generally spends about 24 hours completing a cell cycle (18-20 hours of that being in interphase). The f

astest dividing animal cell completes a cell cycle in about 9-10 hours. What would be some reasons for more rapid cell division
Biology
1 answer:
Makovka662 [10]2 years ago
6 0

Answer:

The lack of Mad1 protein can cause faster cell division.

Explanation:

The Mad1 protein is responsible for regulating the fixation of chromosomes in spindle microtubules, during cell division. With the presence of this protein, anaphase is prevented from starting while the spindle, where the chromosomes attach, is formed.

Without this protein, this check is not done and cell division occurs faster, which is one of the reasons why cell division can be accelerated.

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Match the function to the molecule.
Zinaida [17]
  • Provides immediate energy ---> carbohydrates
  • Forms the cell membrane of all cells--->phospholipids
  • Provides long-term energy--->lipids
  • Stores genetic information---->nucleic acid
  • A sugar ---->glucose
  • Speeds up the chemical reactions by lowering the activation energy--->proteins(enzymes)
7 0
2 years ago
During ________ the chromosomes, which were distinct and condensed, begin to spread out into a tangle of chromatin. a nuclear en
polet [3.4K]
During telophase in mitosis or meiosis II, where chromosomes which were previously distinct and condensed, de-condense and spread out into a tangle of chromatin. At the same time, the nuclear envelope re-forms around each cluster of chromosomes in each of the daughter cells, and spindle fibres disintegrate.

Chromosomes are unlikely to de-condense and spread out into a tangle of chromatin during telophase I (i.e. Telophase of Meiosis I), since Meiosis is still ongoing, and the genetic material should be in its condensed form during Meiosis II as well. 

Hope this helps! :)
8 0
3 years ago
Read 2 more answers
Which of the following lymphoid cells trap antigens and transport them to lymph nodes?
Verizon [17]
It seems that you have missed to include the necessary options for this question so I had to look for it. Here is the answer. The one that lymphoid cells traps antigens and transport them to lymph nodes are the T LYMPHOCYTES. Hope this answers your question.
7 0
3 years ago
External signal that controls the cell cycle
zheka24 [161]

Answer:

External factors include physical and chemical signals. Growth factors are proteins that stimulate cell division. – Most mammal cells form a single layer in a culture dish and stop dividing once they touch other cells.

Explanation:

From Google

4 0
2 years ago
Read 2 more answers
A plant population produces many seeds. that if a population of plants is currently 30 individuals, and rmax= 12 plants/month, t
LiRa [457]

Answer:

\frac{dN}{dt} = 14130

Explanation:

Logistic growth is a measure of continuous growth of a population of individuals in such an environment where the resources are limited. Such type of growth pattern has a characteristic growth curve which is S-shaped or sigmoidal.

The equation for logistic growth is as follows -

Change in population size = \frac {dN}{dt} = rN(K- \frac {N}{K})

Where,

N = size of population

r = intrinsic rate of increase

K = carrying capacity

The values of r, N and K are given in the question as 12, 30 and 40 respectively.

So,

\frac{dN}{dt} = 12 \times 30(40 - \frac{30}{40}) = 14130

5 0
3 years ago
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