Answer: the movement of ions or molecules across a cell membrane into a region of higher concentration, assisted by enzymes and requiring energy.
Explanation:
Requires energy input from a cell and enables A cell to move a substance against its concentration gradient
The answer is A
The abstinence violation effect
<span>This effect
occurs when an individual, having made a personal commitment to abstain
from using a substance or to stop engaging in some other unwanted behavior, has
an initial lapse whereby the substance or behavior is engaged in at least once.
Some individuals may then proceed to uncontrolled use. It occurs when the
person attributes the cause of the initial lapse to internal, stable, and
global factors within.</span>
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A Karyotype is the number (or characteristics of) of the chromosome in a cell. In humans the typical number of chromosomes is 46. Sometimes humans have a different number of chromosomes and then the<span> karyotype (for example the number) can be used for reporting for example of genetic disorders- so the answer is that it can be used for reporting of genetic disorders</span>