BI226 Lecture Notes - Gametophyte, Spermatozoon, Spermatogonium
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Question 3 (5 points)
Match the terms to the definitions provided.
Question 3 options:
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Question 4 (7 points)
Match the terms to the definitions provided.
Question 4 options:
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Question 5 (6 points)
Put the events of a MAP kinase cascade in the correct order.
Question 5 options:
MAPKKK phosphorylates and activates another kinase | |
MAPKK phosphorylates and activates MAPK | |
Binding of MAPKKK to Ras | |
External signal binds to membrane receptor and activates receptor kinase. | |
MAPK phosphorylates an inactive response protein and activates it. | |
Phosphorylation of receptor kinase and interaction with RAS |
Question 1 (2 points)
In which phase of cell division is marked by the dissolution of the nuclear membrane, the condensation of chromosomes, and the formation of the mitotic spindle?
Question 1 options:
prophase | |
metaphase | |
telophase | |
anaphase |
Question 2 (2 points)
The physical separation of cells during cell division is called:
Question 2 options:
Cytokinesis | |
Telophase | |
Interphase | |
Chromosome | |
Cell plate |
Question 3 (2 points)
Meiosis is necessary for sexual reproduction; the gametes formed during this process before fertilization are _______________.
Question 3 options:
Haploid | |
Diploid | |
Zygote | |
Homologous | |
Tetrads |
Question 4 (2 points)
Mitosis is the process by which a ___________ cell separates the chromosomes in its nucleus into two identical sets of nuclei.
Question 4 options:
eukaryotic | |
prokaryotic | |
bacterial | |
all of these are correct |
Question 5 (2 points)
Which of the following statements about crossing over is INCORRECT?
Question 5 options:
It occurs between homologous chromosomes | |
It allows for two parents to produce many different types of offspring | |
It contributes to genetic diversity in a population | |
It occurs during prophase I of mitosis |