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koban [17]
3 years ago
11

2. The nucleus of an atom contains

Biology
1 answer:
8_murik_8 [283]3 years ago
3 0
Choice 1 protons and neutrons, not electrons because they are in the outside circling it
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Decomposers are …….??.?.
77julia77 [94]

Answer: Decomposers is an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.

Explanation:

4 0
3 years ago
How do amino acids polymerize?
castortr0y [4]

Answer:

Section 3.2Primary Structure: Amino Acids Are Linked by Peptide Bonds to Form Polypeptide Chains. Proteins are linear polymers formed by linking the α-carboxyl group of one amino acid to the α-amino group of another amino acid with a peptide bond (also called an amide bond)

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3 years ago
Some orchids produce two types of flowers, one with only anthers and the other with only carpels. And on some orchids like this,
aliina [53]

Answer:

The Orchids is the diversified structures of flowers, in fact, they have unique feature. Even with the pollination, they have several mechanisms of pollination. Few of them include:  

1. Few orchids have self-fertilization where the anther converts from solid-state to a liquid state without any aid of an external pollinating agent.  

2. In others, self-pollination occurs, when the caudicles dry the pollen fall on the stigma.  

3. This happens through an external pollinator resulting in a diversity of species.  

4. This is a very special case where the flower attracts the insect to mate with bright petals, odor, and the shape.  

5. These types depend on ants and other insects to get pollinated.

6. Here, the pollens release some kind of force, when an insect gets in contact with anther which results in getting away the agent from the flower.

4 0
3 years ago
Elias conducted an experiment about the effects of exercise on the heart rate of teenagers. Before morning basketball practice,
padilas [110]

The <u><em>correct answer</em></u> is:

He needs to select a more representative sample.

Explanation:

Choosing students from the basketball team for the sample he uses on a study of heart rates and exercise will be a biased sample.  This is because students on the basketball team are potentially healthier than other students, which means that exercise will not have a large an effect on their heart rate as it would if they were not as healthy and not as physically fit.

In order to reduce the amount of bias, he should choose students from different groups throughout the school.

8 0
3 years ago
Read 2 more answers
People who have the o blood type possess
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No because the type o blood is a universal type of blood

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3 years ago
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