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aliina [53]
3 years ago
7

What may have caused the explosion of life during the Cambrian period

Biology
1 answer:
Degger [83]3 years ago
7 0

hi here is your answer hope it helps or then sry

Explanation:

the importance of oxygen for animals, researchers suspected that a sudden increase in the gas to near-modern levels in the ocean could have spurred the Cambrian explosion.

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Alekssandra [29.7K]

Answer: A prokaryotic cell is a simple, single-celled (unicellular) organism that lacks a nucleus, or any other membrane-bound organelle. We will shortly come to see that this is significantly different in eukaryotes. Prokaryotic DNA is found in the central part of the cell: a darkened region called the nucleoid Unlike Archaea and eukaryotes, bacteria have a cell wall made of peptidoglycan, comprised of sugars and amino acids, and many have a polysaccharide capsule (Figure 1).

Explanation:

3 0
2 years ago
Plants use glucose to synthesize cellulose. Which statement accurately describes this process?
Sergeeva-Olga [200]

Answer:

C

Explanation:

Sugar, which is a product of the photosynthetic process of green plants can be converted to glucose (a simple carbohydrate). Enormous amount of these glucose molecules can be linked together to form a complex carbohydrate called cellulose, which is a polysaccharide because it is made up of a long chain of glucose molecules. The cellulose is ultimately used to build the cell wall of plants.

Anabolism is the production of a complex molecule by a living organism from a much simpler one. Since, cellulose is produced by the building up of glucose molecules, the process can therefore, said to be anabolic

6 0
3 years ago
MgBr2
MaRussiya [10]

Answer:

D

Explanation:

3 0
3 years ago
Label the structural features of the yeast phenylalanine trna.
antiseptic1488 [7]

Answer :

Dark district is the counter codon locale and base sets with the mRNA  

green is the T?C circle (ribouridine and pseudouridine)  

Yellow is the 3' end which has CAA end which connects with the approaching amino corrosive.  

Light blue is the anticodon circle  

red is the DHU circle i.e. dihydrouridine circle  

orange is the additional arm.  

Purple area contains 5' end.

6 0
3 years ago
give an example of terrestrial food chain.What percentage of energy is transferred to the next higher level? [3 marks]
ch4aika [34]

10 percent

1 percent

. 1 percent

3 0
3 years ago
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