Which of the following consists of dead cells with thick cells walls, that are primarily used to support the plant?
A. Parenchyma
B. Collenchyma
C. Sclerenchyma
D. Trienchyma
Answer: C. Sclerenchyma
Biology & Microbiology
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Which of the following events occurs during prophase I?
a. one full set of chromosomes arrives at each spindle pole b. crossing over c. spindle microtubules connect chromosomes to spindle poles d. separation of sister chromatids
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Which of the following is not a product of cellular respiration?
a. ATP b. carbon dioxide c. oxygen d. water e. all are products
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Explain how a totipotent stem cell line would be developed
What will be an ideal response?
Biology & Microbiology
The most diagnostic (i.e. unique) shared derived trait for animals is the presence of
A. sexual reproduction B. multicellularity C. a blastula D. active movement
Biology & Microbiology