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allsm [11]
3 years ago
11

What challenges would you expect scientists to face when growing plants in space? What challenges will the astronauts have with

meeting their own energy needs?
Biology
1 answer:
DanielleElmas [232]3 years ago
4 0

Answer:

the challenges they would expect to see is the plants not having water or air

planted need water to have photosynthesis and since theres no water in space and little to no atmosphere the plants would suffocate

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If a whitefish blastula begins as a single cell, how many mitotic divisions will it take to generate 16 cells?
Natali5045456 [20]

The answer is C. This is because, with every mitotic division, the cell population doubles because each cell gives rise to two daughter cells. Therefore, mathematically, after 4 division of one cell, there will end up with 16 cells (2^4).   

4 0
3 years ago
Select choices that result from hydrogen bonding.
Pepsi [2]
A hydrogen bond is an intermolecular force (IMF) that forms a special type of dipole-dipole attraction when a hydrogen atom bonded to a strongly electronegative atom exists in the vicinity of another electronegative atom with a lone pair of electrons. Intermolecular forces (IMFs) occur between molecules. Other examples include ordinary dipole-dipole interactions and dispersion forces. Hydrogen bonds are are generally stronger than ordinary dipole-dipole and dispersion forces, but weaker than true covalent and ionic bonds.
8 0
3 years ago
Type 2 diabetes mellitus may reflect declining receptor sensitivity to insulin rather than decreased insulin production. Most Ty
AnnyKZ [126]

Answer:

Type 2 diabetes mellitus generally reflect declining receptor sensitivity to insulin rather than decreased insulin production- True.

Most Type II diabetes do not produce insulin- False.

Explanation:

Diabetes mellitus may be defined as the group of metabolic disorder that re characterized by the high blood glucose levels in the body of an individual.The receptor sensitivity decreases towards insulin decreases in Type II diabetes.

The insulin is produced in the proper amount during Type II diabetes. The receptors are unable to respond towards the diabetes.

Thus, the answer is a)-True

                                b)-False.

3 0
3 years ago
ASAP!!
never [62]

Answer:

37oC - temperature

It is important that the temperature is controlled because it maintains consistency and safety.

Explanation:

-Temperature is a common type of controlled variable.

-A control variable is anything that is held constant or limited in a research study

6 0
1 year ago
Darwin and wallace's theory of evolution by natural selection was revolutionary because it _____.
Lisa [10]
<span>Notice a couple of things different between (A) and (B). It was NOT the first time a biologist proposed that species changed through time (so it's not B). But it finally *solidified* that idea by giving "change through time" (evolution) a MECHANISM. It gave a plausible explanation for WHY species change over time, in a testable way that made sense and had evidence to support it.

So it finally dismissed the idea that species are constant.

It also emphasized that the simple presence of *variation* within a population was a key reason for evolution.

While we're at it ... (C) is wrong because it's not *individuals* that acclimate (adapt) to their environment, but the population (the species) as a whole.

And (D) is wrong because it had nothing to do with economics or the monarchy.</span>
5 0
3 years ago
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