Tryptophan must be ______ when tryptophan repressor molecules are inactive.
A. Present
B. Absent
Answer is B. Absent
Biology & Microbiology
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Proteins that bind to acetylated lysine residues in the histone tail contain:
A. bromodomains. B. DNA-binding domains. C. chromodomains. D. kinase domains. E. histone-fold motifs.
Biology & Microbiology
In the absence of environmental sources of water, such as precipitation or condensation, how would water get into the pitcher of a carnivorous plant?
A. through the phloem B. from the fruit C. from the cuticle D. through the xylem E. from the leaves
Biology & Microbiology
Glycolysis takes place in ____
a. the cytoplasm b. mitochondria c. chloroplasts d. thylakoids e. peroxisomes
Biology & Microbiology
Microbial decomposition of organic matter results in NH4+ production through a process called ________
Fill in the blank(s) with correct word
Biology & Microbiology