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vredina [299]
3 years ago
12

1. difference of microspore mother cell, microspore,pollen

Biology
1 answer:
Naily [24]3 years ago
5 0

Answer:

By the end of this section, you will have completed the following objectives:

Describe the two stages of a plant’s lifecycle

Compare and contrast male and female gametophytes and explain how they form in angiosperms

Describe the reproductive structures of a plant

Describe the components of a complete flower

Describe the development of microsporangium and megasporangium in gymnosperms

Explanation:

brainliest pls

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In fermentation _____ is reduced and _____ is oxidized. In fermentation _____ is reduced and _____ is oxidized. pyruvate ... NAD
Lyrx [107]

Answer: Pyruvate is reduced and NADH is oxidized.

Explanation:

Fermentation is a chemical process that involves the breakdown of carbohydrates anaerobically by the activities of microorganisms.

It is the process use in the production of foodstuffs, wine and beer. Fermentation start with enzymes activities, which breakdown sugars into lactate or two molecules of three carbon organic acid, pyruvic acid. Pyruvate is reduced to lactic acid or alcohol in the absence of oxygen and nicotinamide adenine dinuleotide+hydrogen(NADH) is oxidized . This process produces two ATP per glucose molecule.

7 0
3 years ago
A scientist is comparing the outer structure of an onion cell, structure X, to the outer structure of a human skin cell, structu
hammer [34]

Answer:

Structure X is only found in plant cells, and structure Y is found in plant and animal cells.  

Explanation:

The structure found on the outside of the onion cell is the cell wall, which is specific to plants. The structure found on the outside of the skin cell is the cell membrane, which is found on all cells.

Structure X is not living, and structure Y is living.  - this is false, both animal and plant cells are living.

Structure X can be found in some human cells, and structure Y can be found in some plant cells.  - this is false, the opposite is true.

Structure X is only found in plant cells, and structure Y is found in plant and animal cells.  - this is true structure X is the plant cell wall, and structure Y is the cell membrane

Structure X is semipermeable, and structure Y is selectively permeable. Semi-permeable and selectively permeable are essentially the same thing - it means the barrier allows some substances to pass through but not others.

4 0
3 years ago
Read 2 more answers
How many bacteria can you have in ten hours if you started with one bacteria?
pav-90 [236]
Bacteria can divide every minute, so given 600 minutes in ten hours it would be an extremely large number

8 0
3 years ago
This is a picture of my homework.
anygoal [31]

Answer:

T~T

Explanation:

sowwy I can't, I can't see them very well but just guess and google the ones you can, good luck!!

6 0
3 years ago
What is sex linked inheritance
nasty-shy [4]
Sex linked inheritance is a trait that is passed through generations in which is linked directly to an individuals gender or sex. most of the time sex linked inheritance is seen in males however it can be viewed in females.
7 0
3 years ago
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