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Gekata [30.6K]
2 years ago
9

Protists are helpful to us because they

Biology
1 answer:
Sergio [31]2 years ago
4 0

Answer:

Protists help break down dead material and help produce oxygen

Explanation:

I just took the quiz on k12

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Answer:

girl.... I don't even know what to say

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3 years ago
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If a molecule is to large or polar and cannot easily diffuse into the cell, it is
Eddi Din [679]

Answer:

hydrophilic

Explanation:

Large polar or ionic molecules, which are hydrophilic, cannot easily cross the phospholipid bilayer. Charged atoms or molecules of any size cannot cross the cell membrane via simple diffusion as the charges are repelled by the hydrophobic tails in the interior of the phospholipid bilayer.

7 0
3 years ago
Consider a gene that affects flower color. this gene has two alleles, a and
Morgarella [4.7K]

The allele would be called codominant

When a dominant and recessive allele exist in an organism, only the dominant allele will be expressed. Dominant allele always mask the recessive because the gene code a protein while recessive gene doesn't. When both gene code a protein, they will be codominant and both gene will be expressed. The result could be a mixed effect. In this case, the purple is mixed color of red and blue.

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3 years ago
The iron-carrying protein that assists in the transport of oxygen into muscle cells is
patriot [66]
The answer is hemoglobin.

3 0
3 years ago
Which statement provides an example of epigenetics A. Genetic mutations arising every other generation B. Selective breeding of
irina [24]

Answer: d. mothering style affecting the developing brain

Explanation:

Epigenetics is the study of features or "phenotypes" which do not involve changes in the DNA sequence. Epigenetics is about how genes are expressed and used instead of the DNA sequence of the genes themselves.

The behaviour of a person's genes depends not only on the DNA sequence of the genes, but also on so-called epigenetic factors. Effects on genes from the external environment can affect disease, and some of these effects can be inherited in humans.

So, Mothering style which affects the brain development is an exampe of epigenetics which do not show any genetic feature.

Hence, the correct option is d.

6 0
3 years ago
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