Which of the photographs in the above figure
represents the seedless vascular plants?
a. moss
b. fern
c. conifer
d. monocot
e. all of these
Answer: b
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Which choice is the correct sequence from smallest to largest?
A) Amino acid, peptide, polypeptide, protein B) Protein, polypeptide, peptide, amino acid C) Amino acid, DNA, peptide, gene D) Peptide, polypeptide, amino acid, protein
Which cells would be ignored in most instances by lymphocytes?
a. cells coated with complement proteins b. cells with antigens on their surface c. "self" cells with MHC markers d. cells with both antigen and self-MHC markers e. cells with damaged or mutant self-MHC markers
Four of the five answers listed below are stages of actual nuclear division. Select the exception
a. anaphase b. prophase c. interphase d. telophase e. metaphase
In bacteria such as members of the Bacillus and Clostridium genera, nutrient depletion is likely to result in
A. germination. B. sporulation. C. starvation. D. binary fission. E. plasmolysis.