A phosphorus shortage in soil would make it difficult for plants to produce:
A. DNA
B. starch
C. amylose
D. cellulose
A
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You have an F2 generation derived from two true-breeding parents with different characteristics for the same trait determined by a single allele
What percentage of the F2 generation with a dominant phenotype would you expect to be homozygous for your single allele of interest? A. 0% B. 25% C. 33% D. 67% E. 75% F. 100%
Most atmospheric oxygen comes from photosynthesis. From which of the following molecules is the oxygen derived?
A. carbon dioxide B. chlorophyll b C. chlorophyll a D. glucose E. water
If you were a very thirsty cell, which process would you use to take in some nutrients secreted by one of your neighbors?
A. Phagocytosis B. Pinocytosis C. Receptor-mediated endocytosis D. Exocytosis
If a child more strongly resembles one parent's physical traits than the other parent's, the explanation could be due to
chromosome movements during a. anaphase II. b. metaphase II. c. prophase II. d. anaphase I. e. telophase I.