These are the nitrogenous bases in a nucleotide. There are four, which you mentioned in the problem: adenine, thymine, guanine, and cytosine.
The other two parts of a nucleotide make up he backbone: sugar, deoxyribose (DNA=DEOXYRIBOnucleic acid) and the phosphate group.
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Answer:
When viruses attack cells, they release genetic material that is coded to multiply, then the cells divide and more viruses are spread, the viruses do not eat.
Explanation:
<span>The
cells in this experiment were macrophages. These immune system cells
have many lysosomes for the destruction of bacteria and other invaders
brought into the cell via phagocytosis. The enzymes (hydrolases) that
carry out this catabolic activity are synthesized in the endoplasmic
reticulum, modified in the Golgi, and transported to the lysosomes.</span>
The correct answer is B.
Krill is a type of small crustacean living in large schools, in the ocean. Krill have many anatomical adaptations in order to survive in the vast ecosystem of an ocean. One of these adaptations are the very fine filtering nets used by the krill to capture and acquire the necessary nutrients. Krill feed on some of the smallest living phytoplankton and the nets are used to filtrate the water and capture them. When the concentration of the phytoplankton is low, the nets are used to filter the water and feed on the captured algae.
If this is a true or false question, the answer is true.
Because the surface of the water table may vary due to seasonal change.
