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Margarita [4]
3 years ago
7

Which term means having only one set of chromosomes?

Biology
1 answer:
Salsk061 [2.6K]3 years ago
4 0
One set of chromosomes would be Haploid
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Receipt of extracellular signals can change cell behavior quickly (e.g., in seconds or less) or much more slowly (e.g., in hours
balandron [24]

Answer:

A. Molecular changes such as extracellular signals on extracellular ligands can result in quick changes in cell behaviour. One example is insulin. Upon insulin binding on the receptor on the cell membrane, the cell release GLUT4 transporters (for muscle cells) to increase uptake of glucose.

B. Slow changes in cell behaviour can be observed for other lipophilic hormones or intracellular receptors such as glucocoortoid or estrogen which reacts with receptors in the cells.

C. Insulin is required to maintain a constant blood glucose level and hence levels of insulin has to be mediated in correspondence to the blood glucose levels. Fast acting signalling is thus required for homeostasis of blood glucose levels. Where for such lipophilic hormones such as steriods, glucocortoid, these hormones tend to have a longer lasting effect and hence results in a slow change.

6 0
3 years ago
Do protists have cell walls? If so, what is it made of?
Umnica [9.8K]
Yes, protists have cell walls.

Protists cell walls are made of composed cellulose, protein strips , and silica

For some protists, we can even found components like pectin on the cell walls

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6 0
3 years ago
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ALL mutations have an effect on the protein. <br> A. True<br><br> B. False
KengaRu [80]

Answer:

B. False

Explanation:

No; only a small percentage of variants cause genetic disorders—most have no impact on health or development. For example, some variants alter a gene's DNA sequence but do not change the function of the protein made from the gene.

6 0
3 years ago
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A stamen consists of _____.stigma and filament;stigma and style;ovary and sepal;anther and filament;stigma and anther;
aniked [119]

A stamen is the name for male reproductive parts of the flower which consists of an <u>Anther and Filament</u>.  

7 0
3 years ago
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What is the acceleration of a marble in that has a mass of 90kg and a force applied of 60N
miskamm [114]

Answer:

0.6... or 3/5

Explanation:

To find the acceleration, we need to use the acceleration formula:

  • a=F/m

So all we have to do now is plug in the numbers:

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Once we divide 60 by 90, we will get the acceleration of the marble.

  • 60/90 = 0.6... (repeating)

Our final answer should be:

0.6... or 3/5

7 0
3 years ago
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