Answer:
Due to their hole size.
Explanation:
Some molecules can pass directly through the phospholipid bilayer because of their small size which can easily pass through the small holes of phospholipid bilayer, while those that are too large or too charged need to pass through a membrane protein because membrane protein has a large holes through which large molecules can easily pass through the semi-permeable membrane of the cell by active or passive transport.
Answer:
The independent variable is "controlled" or held constant in the control group.
Explanation:
According to the cephalocaudal trend, the head develops more rapidly during the prenatal period than the lower part of the body.
<h3>What is Cephalocaudal trend?</h3>
This refers to the pattern of growth during the prenatal stage in which the head grows more than the other parts of the body.
This is therefore the reason why option B was chosen as the most appropriate choice.
Read more about Cephalocaudal trend here brainly.com/question/9562393
Answer: the brain scans showed that there were areas of damage in the brains of all but one of the Mexico City kids. The damage was caused by air pollution.
Answer:
It helps cells to make proteins.
It provides a source of water
It provides form of usable Nitrogen.
It removes carbon dioxide from the atmosphere.
It destroys harmful bacteria.