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nevsk [136]
4 years ago
5

Which sphere does an astronomer most directly study?

Biology
1 answer:
EastWind [94]4 years ago
6 0
I'm thinking the mesosphere. 
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WILL GIVE BRAINLIEST!!!!!!!!!
Galina-37 [17]

Answer:

Mitochondria and chloroplasts likely evolved from engulfed bacteria that once lived as independent organisms. At some point, a eukaryotic cell engulfed an aerobic bacterium, which then formed an endosymbiotic relationship with the host eukaryote, gradually developing into a mitochondrion. (nature.com)

Explanation:

3 0
3 years ago
Read 2 more answers
Where does pyruvate as intermediate take place in photosynthesis? plz explain also thanks
mr Goodwill [35]

Answer:

Pyruvate take place after the process of glycolysis.

Explanation:

Pyruvate as intermediate take place in the process of photosynthesis after glycolysis process. One glucose molecule is converted into two molecules of pyruvate. This pyruvate molecule then converted into acetyl CoA, which is a two-carbon molecule. A molecule of coenzyme A is a very important reactant for this reaction, which produces a molecule of carbon dioxide and reduces a NAD+ to NADH.

7 0
3 years ago
Which of the following is not true of mutations? A. Mutations can't result in a change in appearance. B. Mutations can be passed
netineya [11]
Mutations can't result in a change in appearance. 
5 0
4 years ago
Humans autosomal cells have two copies each of 23 unique chromosomes. Match each of the following cell division events and cell
zvonat [6]

Answer:

Please see below    

Explanation:

The number of chromatids have been stated with the respective event when it occurs in that particular number in the following way:  

<u>23 chromatids</u>

primary oocyte arrested prior to ovulation  

spermatozoa    

<u />

<u>46 chromatids</u>

oogonium prior to S phase  

<u>92 chromatids</u>

secondary polar body

7 0
3 years ago
Does anybody know the answer??<br><br> I'm really confused with this question.
Bad White [126]

Answer:

Water Mold

Explanation:

It is talking about blight which caused the potatoes to go bad.

Brainliest helps a lot!

8 0
3 years ago
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