Answer:
Structural adaptations are physical features of an organism like the bill on a bird or the fur on a bear. Behavioral adaptations are the things organisms do to survive. For example, bird calls and migration are behavioral adaptations.
Formed between two oppositely charged ions
Once they have penetrated the first line of defense, NK cells are the principal defenders against only tumor cells or virally infected cells.
<h3>What are NK cells?</h3>
A particular class of immune cell that contains granules, or tiny particles, that contain enzymes that can destroy cancer cells or virus-infected cells. White blood cells, or NK cells, are one type of them. known as NK-LGL and natural killer cell, respectively.
Natural killer (NK) cells are effector lymphocytes of the innate immune system that regulate various tumour types and bacterial infections by preventing their growth and subsequent tissue damage.
Human NK cells are created from hematopoietic stem cells (HSCs), and as they transition from being CD56high to CD56low, KIRs, CD57, and NKG2C are expressed on terminally differentiated NK cells. During this time, NKG2A is gradually lost.
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ANSWER : C
Marine water quality can does not associate with deforestation because it concern with aquatic elements.
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they must be large enough to house DNA, proteins and structures needed to survive and reproduce but remain small enough to allow surface-to-volume ratio that will allow adequate exchange with the environment
