Answer:
Chromosomes are arranged in pairs because one of each set of the two comes from each parent .We receive half our DNA from our mother (in the ovum) and the other half from our father (in the sperm). A normal human being will therefore have 46 chromosomes or 23 pairs. This is mainly done to achieve genetic variation.
Explanation:
The answer is 56 I hope this helps please mark brainliest:)
<span>Evolution is the process by which character trait mutations give a benefit to the gene holder over other members of the same species. Moving from seeing merely shadows and light to seeing colors yields the obvious benefit of more easily detecting predators and prey, thereby at once making the gene holder more alert to potential dangers and more readily able to find food. These obvious benefits made primates more likely to thrive.</span>
Answer:
A & B
Explanation:
Leucine and phenylalanine have hydrophobic side chains, which means that they can interact with valine in the pocket. All other aminoacids on the list have polar (two electrically charged) side chains and cannot form hydrophobic pockets.
"Passive transport<span> is a movement of biochemicals and other atomic or molecular substances across cell membranes without need of energy input. </span>
There are four different types of passive transport: diffusion<span>, facilitated </span>diffusion,filtration<span> and </span>osmosis." - Google
