Answer:
a. allow a variety of molecules to cross the cytoplasmic membrane
Explanation:
The cells have different molecules in its membrane. As a membrane the main function of it is to regulate the income and outcome of substances that the cell needs or the cell has like some wastes.
Some of these molecules can be some proteins like the permeases, that is going to regulate the solutes that can enter the cell, but since they are non specific, that means that can not make the difference among one carbohydrate and another (as an example).
Transverse waves contain crests & troughs
while longitudinal waves contains compressions &rarefactions.
You need to know 1) How much kinetic energy it absorbed before it broke.
2) What materials are able to scratch it.
3) Its mass.
Answer: Variation in a characteristic that is a result of genetic information from the parents is called inherited variation . ... This is because they get half of their DNA and inherited features from each parent. Each egg cell and each sperm cell contains half of the genetic information needed for an individual.
Explanation:
Genetic information from the parents is the result of variation.
The answer would be sandstone
