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Lesechka [4]
3 years ago
15

Which of the following is an example of a role programmed cell death plays in maintaining homeostasis?

Biology
2 answers:
allsm [11]3 years ago
8 0
4. promoting tissue growth in body cells
IRISSAK [1]3 years ago
6 0
Promoting tissue growth
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The role of the excretory system is to rid the body of toxic waste products. Which of the following body systems also plays a di
pshichka [43]
C
The respiratory system removes the waste carbon dioxide produced from aerobic respiration in the body.
8 0
3 years ago
Is the heme molecule attached to hemoglobin during the primary level or tertiary level of organization?
djyliett [7]

Answer:

Tertiary.

Explanation:

Primary structure of proteins refers to the order of amino acids that make up the protein. The heme is an nonprotein non-amino acid, so it is not involved at this stage.

Tertiary structure of proteins is the overall 3-D folding of the protein (it comes after secondary, which involves folding into a repeated pattern). The heme bonds to its correct position on the hemoglobin during this stage and helps in correct folding.

3 0
3 years ago
The bonds within one water molecule are called
cupoosta [38]

Answer:

Cohesion: Hydrogen Bonds Make Water Sticky

Explanation:

Cohesion: Hydrogen Bonds Make Water Sticky

In the case of water, hydrogen bonds form between neighboring hydrogen and oxygen atoms of adjacent water molecules. The attraction between individual water molecules creates a bond known as a hydrogen bond.

5 0
3 years ago
Read 2 more answers
Suppose that in unicorns, two autosomal loci interact to determine the type of tail. One locus controls whether a tail is presen
Nina [5.8K]

Explanation:

As you can see in the picture below, this is a dihybrid cross with a twist.

We can accomplish that mutually parentages are heterozygotes for both characters because the genotypes are  

9 unicorns with curly tails (shown in green)

3 with straight tails (shown in red)

3  curly tales trait carriers with no tail (shown in dark blue)

1  straight tail trait carriers with no tail ( shown in light blue)

If this was an ordinary case of the dihybrid cross, we would get a 9:3:3:1 phenotype ratio.

However, since the first trait, the presence of the tail, is affecting the other trait, the trait texture, the ratio is altered.

\frac{1}{4} of the offspring (genotypes tt C_   and tt SS) has no tail, therefore we cannot observe the texture of the tail (some of the tailless individuals have Curly alleles -blue squares marked with green, some of them have Straight alleles -blue square marked with red ).

Therefore, the altered ratio is  \frac{1}{2} curly tails,\frac{1}{4} straight tales, \frac{1}{4} tailless

6 0
3 years ago
True or False: Contractions of smooth muscles are voluntary. It happens with your control.
andrey2020 [161]

Answer:

False

Explanation:

Smooth muscle is under autonomic nervous system control (which is something you cannot consciously control). Same thing is for cardiac muscle.

The only thing you can control is skeletal muscle like your hands and feet.

6 0
2 years ago
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