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motikmotik
3 years ago
13

Where the carbon dioxide in yeast come from?

Biology
1 answer:
Furkat [3]3 years ago
6 0
Carbon dioxide from the yeast comes from a process called fermentation. Fermentation is a cellular respiration process in cells that happens when oxygen is not present. If oxygen is present, the process is called aerobic respiration. 
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What structure is the outermost, dense covering around bone?
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6 0
2 years ago
Which parts of the plants do they show? (A,B,C,D)<br><br>And 21.question please​
likoan [24]

Answer no 1:

The part labelled A is the upper epidermis . The main function of the epidermis is to protect the structure of the leaf.

The part labelled B is palisade tissues. These are the sites where the chlorophyll are present.

The part labelled C are the air spaces in the spongy mesophyll tissue. They allow carbon dioxide to move freely.

The part labelled D are the vascular tissues which transport water and food.

Answer No 20:

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6 0
3 years ago
The cardiovascular system is composed of which of the following?
Darina [25.2K]

heart, arteries, and veins

6 0
3 years ago
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Yuri [45]

Answer:

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5 0
3 years ago
Need help with this as soon as possible
NeX [460]

Answer:

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5)Energy source

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hope this helps :)

6 0
3 years ago
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