What is the significance of the homeodomain?
What will be an ideal response?
The homeodomain is a highly conserved protein of 60 amino acids found in a variety of organisms, which, in conjunction with other factors, is thought to play a role in DNA binding and transcriptional activation.
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A translocation cross may occur in an individual that has a(n)
A. reciprocal translocation B. unbalanced translocation. C. simple translocation. D. All of the answers are correct
Answer the following statements true (T) or false (F)
1. The plant hypersensitive response is one in which the plant is unable to defend itself against a pathogen. 2. Generally plants are unable to produce chemicals that travel throughout the plant to protect against pathogens; most defense is only in localized areas. 3. When scientists breed for genes for resistance to pathogens or herbivores they are usually limited to making mutations for this to happen. 4. Cytokinins are transported through the xylem to meristems where they aid in cell elongation.
Crossing over
A) is followed immediately by separation of each of the chromatids. B) prevents genetic recombination. C) results in only one exchange per homologue. D) increases variability in gametes. E) occurs between sister chromatids.
_____ dyes have a negative charge on the chromophore and are repelled by bacterial cells.
Fill in the blank(s) with the appropriate word(s).Fill in the blank(s) with the appropriate word(s).