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Annette [7]
3 years ago
12

Trong trường hợp cơ thể dị hợp tử về 2 cặp gen lai với cơ thể có tính trạng lặn tương ứng (trội hoàn toàn). Dựa vào kết quả lai

hãy nêu cách nhận biết khi xảy ra di truyền độc lập hay di truyền liên kết
Biology
1 answer:
nydimaria [60]3 years ago
8 0
Hehejdndndjfjdjdndjfjficnce
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A signal cascade is a series of chemical reactions which are triggered by a stimulus acting on a receptor that is then transduced to the intracellular space through second messengers. Finally, effector molecules receive the signal causing a cellular reaction to the initial stimulus. A signal cascade is very useful because it facilitates and accelerates the communication between cells that could be in different parts of a living organism. This communication is vital for cell processes in complex multicellular organisms.
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Sejak bilakah mereka berkawan?​
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What does this mean?
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Characteristics that are always present in a living organism include cells, metabolism, reproduction, homeostasis, and ______. h
Margarita [4]
Heredity is the answer. The seven characteristics of living organisms are
<span>
1. Cellular organization </span>
2. Reproduction
3. Homeostasis
4. Metabolism
5. Growth and Development
6. Heredity
7. Responsiveness

7 0
4 years ago
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Please help will do anything! Which of the following can be determined by this diagram?A.The energy of the mongoose is passed on
N76 [4]

Answer:

C

Explanation:

The arrows in this food web represent energy flow.

A. The energy of the mongoose is passed on to the hare.

The arrows points from the hare to the mongoose, which indicates the energy moving from hare to mongoose. Therefore,A is not correct.

B. The cheetah supplies energy to a variety of organisms.

There are no arrows that point from the cheetah to another organism. The arrows point from the other animals to the cheetah, indicating the cheetah is a top predator. So, B is not correct.

C. The energy of the acacia tree is passed on to the impala.

The acacia tree passes its energy onto termites, and these termites pass their energy onto the impala. Therefore, C is correct.

D. The aardvark, pangolin, and mongoose are all producers.

This is not true, because these are all animals. Producers are typically plants. Additionally, the producers are usually at the bottom of a food web.

So, C is the correct choice.

4 0
3 years ago
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Feedback inhibition is important for the regulation of many metabolic pathways. Which of the statements are examples of feedback
mihalych1998 [28]

Answer:

  • The beginning of glycolysis is inhibited by high levels of ATP in the cell.
  • The production of tryptophan is halted by presence of excess tryptophan.

Explanation:

As you may already know, the feedback mechanism is extremely important as homeostasis, that is, the balance of our body. This mechanism is composed of a group of responses produced biologically to some stimulus that is causing an imbalance somewhere in the body.

However, the balance of our organism often needs to promote the inhibition of the feedback mechanism, mainly related to the overproduction of a certain molecule. Two examples that may show an inhibition of the feedback mechanism are:

  • The beginning of glycolysis is inhibited by high levels of ATP in the cell.
  • The production of tryptophan is halted by presence of excess tryptophan.
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3 years ago
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