Metabolic channeling involves the localization of ________ in different parts of a cell in order to influence the activity of metabolic pathways.
A. inhibitors
B. repressors
C. substrates and enzymes
D. activators
Answer: C
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Yeasts are members of which of the following?
a. Ascomycetes b. Basidiomycetes c. Glomeromycetes d. Chytrids e. Zygomycetes
In animals, somatic cell lines are those that will undergo meiosis, differentiate into gametes, and be set aside early in
development. _________________ Indicate whether the statement is true or false.
In the following list, pick the one that is NOT a source of genetic variability from meiosis and
fertilization.
a. recombination of homologous chromosomes b. segregation of chromosomes c. genes contained in the gametes that fuse to form a zygote d. recombination between sister chromatids e. physical arrangement of chromosomes along the metaphase plate in preparation for anaphase
Which of the following chromosomal
conditions is treated with testosterone injections?
a. XXX b. trisomy 21 c. XO d. XXY e. XYY