Answer:
<u>Antigenic drift</u> refers to the slow accumulation of genetic changes to an influenza virus over time.
Explanation:
Antigenic drift is defined as the mechanism by which viruses undergo variation. This mechanism involves the slow accumulation of mutations in the viral genes, that are responsible for coding the antibody binding sites. This leads to the formation of a new strain of virus, which can't be inhibited by the old antibodies. Due to this, the virus can easily spread the disease.
The antigenic drift occurs in the influenza A virus and also the influenza B viruses.
Therefore, <u>Antigenic drift refers to the slow accumulation of genetic changes to an influenza virus over time.</u>
Energy is released to be used by a cell when a phosphate group is <u><em>Removed from ATP to form ADP.</em></u>
Answer: <em>C. Removed from ATP to form ADP
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Explanation:
Three important energy carrier molecules in a cell are: ATP (Adenosine triphosphate, NADPH (Nicotinamide Adenosine Dinucleotide Phosphate) and FADH2. All the three carrier molecules play an important role in cellular respiration and photosynthesis.
One NADH molecule is equal to 3 ATP molecule while 1 FADH2 molecule is equal to 2 ATP molecule. During the active process, ATP is used as a form of energy because ATP dephosphorylates to ADP and Inorganic phosphate, Pi and release energy.
<span>1: global warming can harm animals and plants in the ecosystem (even ourselves). global warming is when you litter and throw trash on the ground, and also the more trash that is sent to the dump can cause global warming to get worse. Trash in the ocean can harm animals, they can eat it and get sick, or get it caught on them. It makes our earth become warmer and energy levels change. It can also hurt our atmosphere.
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The number of organsims at each levels, so there are more producer than herbivores, more herbivores than carnivores and so on...
