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weqwewe [10]
3 years ago
14

How do cells become specialized for different functions?

Biology
1 answer:
Alexxx [7]3 years ago
7 0
They become specialized by Gene expression. Gene expression is the process by which a specific combination of genes are turned on or off. This dictates how the cells function.
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Which of the following is a compound?<br><br> A. Cl2<br> B. H2O<br> C. He<br> D. H2
ludmilkaskok [199]

B is the compound because a compound is two or more different atoms that combine.

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What is the purpose of flagella?
laila [671]
Organelle,The primary role of the flagellum is locomotion but it also often has function as a sensory organelle, being sensitive to chemicals and temperatures outside the cell. Flagella are organelles defined by function rather than structure.
6 0
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With respect to angiosperms, which of the following is incorrectly paired with its chromosome count?
Ierofanga [76]

Answer:

Megaspore—2n.

Explanation:

Angiosperms are the fruit bearing plants and reproduce by the process of sexual reproduction. The chromosome number are specific at each stage of the cell cycle of the angiosperms.

Microspores , egg are haploid. Zygote is diploid in nature. Megaspores get germinate into the female gametophytes and these are haploid in nature. Megaspores are also haploid in angiosperms.

Thus, the correct answer is option (b).

7 0
3 years ago
The three metabolic pathways that make up aerobic respiration are really all parts of one larger pathway because the products of
Anuta_ua [19.1K]

Answer

          The three metabolic pathways that make up aerobic respiration are really all parts of one larger pathway because the products of early pathways (like NADH) become <u>utilize</u> in the last one.

Explanation

         Aerobic respiration is that type of respiration in which glucose molecule is broken down into CO2 and H2O in the presence of oxygen and 36 or 38 ATP molecules are produced.

Aerobic respiration complete in four main steps:

1. Glycolysis

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2. Oxidation of pyruvate

                In this step pyruvate are oxidized in the presence of co-enzyme A to become Acetyl Co-enzyme A.  Again 2NADH are formed in this step.

3. Kreb Cycle

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4. Electron transport chain

            All NADH that are produced in above steps get oxidize and help in the production of ATP along with the release of electron and proton that help in the formation of water.

4 0
3 years ago
What happens when a sound source is moving?
Mumz [18]

Explanation:

It stretched or compresses the sound waves it is producing if it is relatively moving away to getting closer respectively. This is called the <u>Doppler shift effect</u>..

This is why when a wailing ambulance approached you, the pitch of its wailing is high but when it passes you and moves away from you the pitch of the wailing lowers. Remember this is happening relative to your position.

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