Biology, 10.03.2020 07:55 jeffcarpenter
Acquired immunity involves both a humoral immune response and a cell-mediated immune response.
Match the items with appropriate categories depending on whether they are involved in the humoral response, the cell-mediated response, or both the humoral and the cell-mediated responses.
1. antigen-presenting cells
2. plasma cell
3. memory cells
4. antibodies
5. b cells
6. helper T cells and cytokinesis
7. cytotoxic T cells
The categories are humoral response, cell-mediated response, and both.
Answers: 3
Biology, 21.06.2019 19:10
Apopulation has 1000 individuals. over a period of 1 year, 500 newindividuals are born. which equation shows how to calculate the birthrate ofthis population? a. 500 - 1000 = 0.5b. 1000 x 0.5 = 500c. 1000 - 500 = 2d. 1000 + 500 = 1500
Answers: 1
Biology, 22.06.2019 02:00
Which of the following describes a negative feedback loop? when the heart rate is too high, the body sends hormones that continually increase the heart rate higher. when a pregnant woman is in labor, the body sends hormones that increase the intensity of contractions, which then increases the secretion of the same hormones. when blood sugar is too low, the body sends hormones that raise blood sugar until it reaches a typical level and hormone secretion slows. when a person is jogging, the body sends hormones that continually decrease the rate of oxygen supply to the legs.
Answers: 1
Acquired immunity involves both a humoral immune response and a cell-mediated immune response.
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