When migrating cells move toward a greater concentration of a diffusible chemical, the chemical is called a ________
Fill in the blank with correct word.
Answer: chemoattractant
Biology & Microbiology
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How many Barr bodies would an individual with a XXY genotype possess?
A. 0 B. 1 C. 2 D. None of the answers are correct
Biology & Microbiology
B cells are genetically programmed to produce unique antibodies; similarly, T cells are genetically programmed to
produce unique T-cell receptors. a. True b. False
Biology & Microbiology
What is the initiator triplet in both bacteria and eukaryotes? What amino acid is recruited by this triplet?
A) UAA, UGA, or UAG; no amino acid called in B) UAA, UGA, or UAG; methionine C) AUG; methionine D) AUG; arginine E) UAA, UGA, or UAG; arginine
Biology & Microbiology
Water vapor contributes to global warming.
Answer the following statement true (T) or false (F)
Biology & Microbiology