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mylen [45]
3 years ago
10

------is present only In plant cell

Biology
1 answer:
fredd [130]3 years ago
6 0

Answer:

The answer could be a cell wall, chloroplasts, plastids, and a central vacuole, but the most likely answer would probably be chloroplast.

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Which observation do most scientists think supports the big bang theory as a description of the origin of the universe?
solong [7]
B. The Universe Expanding
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3 years ago
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Primary features of a long bone. Which of the following correctly pairs the structure at C with its primary component?
OlgaM077 [116]

Answer:

periosteum ----> dense irregular connective tissue

Explanation:

  • The periosteum is a dense fibrous membrane that covers the surfaces of bones.

The periosteum consists of two layers-

    1. Outer fibrous layer

    2. Inner cellular layer

  • It is mainly composed of dense irregular connective tissue along with a layer of simple squamous epithelium.
  • The function of periosteum is to cover the surface of all the bones except those surfaces that are covered with cartilage such as joints and tendons and ligaments.
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3 years ago
Which homeostatic process moves particles against a concentration gradient? A.dynamic equilibrium B.passive transport C.osmosis
goblinko [34]
Active transport is the homeostatic process that moves particles against a concentration gradient.
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3 years ago
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When your cells use fat for energy, the fatty acids are broken up into molecules of acetyl COA. Predict how many ATP can be made
IgorC [24]

Answer:

12 molecules of ATP can be made from one molecule of acetyl CoA.

Explanation:

If one molecule of acetyl CoA enter TCA cycle then it result in the formation of 3 molecules of NADH,1 molecule of FADH2 and 1 molecule of GTP that is equivalent to 1 molecule of ATP.

                        Now the reducing equivalent such as NADH and FADH2 enters electron transport chain and get oxidized to regenerate NAD+ and FAD along with ATP. 1 molecule of NADH produces 3 molecules of ATP whereas 1 molecule of FADH2 produces 2 molecules of ATP.

               So that net gain of ATP is given below

3 molecules of NADH = 9 molecules of ATP

1 molecule of FADH2 =2 molecules of ATP

1 molecule of GTP = 1 molecule of ATP

As a result total 12 molecules of ATP is by the oxidation of 1 Acetyl CoA  by TCA cycle .

7 0
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What is the name of the cells that control the opening and closing of the stomota
Butoxors [25]

Answer:

guard cells

Explanation:

they control the opening and closing of the stomata

4 0
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