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antoniya [11.8K]
2 years ago
15

Which statements describe the Peary Land ecosystem? Select all that apply

Biology
1 answer:
fgiga [73]2 years ago
4 0

Answer:

1 and 2

Explanation:

hope this helps a lot:3

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Why don’t prokaryotic cells divide through mitosis?
valina [46]

Answer:

Prokaryotes such as bacteria propagate by binary fission. ... In bacterial cells, the genome consists of a single, circular DNA chromosome; therefore, the process of cell division is simplified. Mitosis is unnecessary because there is no nucleus or multiple chromosomes. This type of cell division is called binary fission.

Explanation:

i hope this helps

5 0
3 years ago
Which cell structures cause the outer surface of the rough endoplasmic reticulum to appear rough
Elden [556K]
These structures are known as Ribosomes.
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3 years ago
If starch and cellulose are both polymers of glucose, how come people can digest starch but not cellulose?
Oksi-84 [34.3K]

Explanation:

Cellulose is a structural component of the plant cell wall. It is a polysaccharide consisting of a long linear chain of multiple β - 1, 4 linked glucose units.

Cellulose is difficult for most animals to digest except herbivores because they lack the ability or enzyme to digest cellulose. This enzyme needed is the cellulase which cleave to its β - 1,4 glycosidic bond and hydrolysis it into its constituent molecules (glucose).

8 0
3 years ago
A piece of metal has a mass of 10 g in a volume of 2 cm to the exponent of three what is the
rewona [7]

Answer:

5g/cm³

Explanation:

Given parameters:

Mass of the metal  = 10g

Volume of the metal  = 2cm³

Unknown:

Density of the metal = ?

Solution:

Density is the mass per unit volume of a substance.

Mathematically;

      Density  = \frac{mass}{volume}  

 Insert the parameters and solve;

      Density  = \frac{10}{2}   = 5g/cm³

8 0
3 years ago
A good way for an adolescent to build and protect her bones is to:
muminat
The best way for adolescent to build and protect his or her bones is to ingest food products that are rich in calcium for it is known to make bones stronger. Another way is to be able to do exercise as a daily routine so that the bones are exercised every day to prevent bone disease, this will stenghten the bones and make them more stronger.
4 0
3 years ago
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