What must occur before a glucose molecule can be broken down to release energy?
a. One ATP molecule must phosphorylate the six carbon sugar.
b. Two ATP molecules must phosphorylate the six carbon sugar.
c. Three ATP molecules must phosphorylate the six carbon sugar.
d. One ATP molecule must be taken away from glucose.
e. Two ATP molecules must be taken away from glucose.
b
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Which of the following statements about the strands of a newly replicated DNA molecule is correct?
A. Both strands are made up of newly assembled nucleotides. B. One strand is new and the other is from the original molecule. C. Both strands contain some nucleotides from the original molecule. D. The sugar-phosphate chains are conserved and new bases are inserted between them. E. The base pairs are conserved and new sugar-phosphate backbones are built up on them.
Answer the following statements true (T) or false (F)
1. Epistatic gene interactions do not follow Mendel's laws of inheritance. 2. Epistasis often involves genes of an enzymatic pathway. 3. Environment can have an influence on the range of phenotypes seen in a population. 4. Two genes that are close together on the same chromosome will cross over more frequently than two genes that are further apart.
What is the number of chromosomes in a human tetraploid cell? ____________________ Fill in the blank(s) with the appropriate word(s)
The pH inside lysosomes is about
a. 7.0. b. 6.0. c. 5.0. d. 4.0.