Answer: Inside the air sacs, oxygen moves across paper-thin walls to tiny blood vessels called capillaries and into your blood.
Explanation: A protein called hemoglobin in the red blood cells then carries the oxygen around your body.
Chlorophyll is the green pigment present in the leaves , they help to trap sunlight. Answer. Cholorophyl is present in the leaves it exchange the gases like carbondioxide and oxygen. the green pigment of of leaves are called chlorophyll.
Dental clinics focus on patient education to prevent disease and provide treatment options for the same procedures offered in general and (some) specialty practices. A clinic houses all dental equipment and tools in one place and is staffed by dentists, dental specialists, dental assistants, and dental hygienists.
Answer:
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Histone acetylation increase transcription.
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Whereas DNA methylation decrease transcription
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Explanation:
Histone acetylation is a transcription-activating modification which occurs by the addition of acetyl group from acetyl coenzyme A, to one or more lysine residues at the ε-amino group by the enzyme histone acetyltransferases. Histone acetylation increase transcription.
DNA methylation is one of the mechanisms that cells use to control gene expression and DNA become unavailable for transcription . In DNA methylation, DNA become inactive( unavailable for transcription) so that transcription wouldn't occur.
Answer: Combined number of neutron and protons
Explanation: Protons and Neutrons weigh the same as one on the atomic weight scale
