The type of tissue forming the covering around muscle fibers is:
a. epithelial tissue.
b. connective tissue.
c. nervous tissue.
d. specialized muscle tissue.
e. synovial fluid
B
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Antimicrobial susceptibility testing should be performed when:
a. a single bacterial species grows from any body site. b. an isolate has a predictable susceptibility profile to therapeutic drugs of choice. c. reliable standardized methods for testing a clinically significant isolate exist. d. administering intravenous or oral antibio-tics to treat an infection.
Which of the following cells can serve as antigen-presenting cells?
a. macrophages, basophils, and B cells b. dendritic cells, B cells, and T cells c. macrophages, dendritic cells, and B cells d. B cells, T cells, and basophils e. macrophages, T cells, and basophils
Calvin cycle
What will be an ideal response?
While some animals, such as birds, reproduce sexually, others, such as sponges, produce asexually. Why is it beneficial for a species to reproduce sexually instead of asexually?
A) Sexual reproduction results in offspring that have twice as many chromosomes as the parents, while asexual reproduction produces offspring that have half the number of chromosomes as the parent. B) Sexual reproduction requires less time and energy than asexual reproduction. C) Sexual reproduction results in offspring that are genetically identical to the parents, while asexual reproduction results in offspring that are genetically different from the parent. D) Sexual reproduction results in offspring that are genetically different from the parents, while asexual reproduction results in offspring that are genetically identical to the parent.