Which of the following is TRUE of fate mapping?
A. It determines the ultimate structure/function of a particular cell type during embryonic development.
B. It maps the genes of an embryo.
C. It assesses the quality of a developing embryo.
D. It maps the proteins within a morphogenic field.
E. It determines hereditable disorders in the embryo.
A. It determines the ultimate structure/function of a particular cell type during embryonic development.
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The regeneration of what CO2 acceptor molecule allows for continuous carbon assimilation in the Calvin cycle?
A) glyceraldehyde-3-phosphate B) dihydroxyacetone phosphate C) ribulose-1,5-bisphosphate D) glycerate-1,3-bisphosphate E) 3-phosphoglycerate
Some bacteria produce the enzyme ?-lactamase, which results in resistance to certain antibiotics such as penicillin
Since these same organisms reproduce asexually, they produce offspring that ____.
a. can be killed by penicillin b. have an abnormally high rate of mutation c. are resistant to penicillin d. have variable numbers of chromosomes e. can make penicillin
What factor of the plasma membrane provides fluidity?
a. The arrangements of carbohydrates b. The movements of the phospholipids c. The arrangement of proteins d. The interaction of glycolipids with water e. The enzymatic activity of membrane proteins
Which component is responsible for initially stimulating a muscle contraction?
a) proteins b) electrochemical signals c) plasma membranes d) striations