Prokaryotic and eukaryotic cells are similar in having which of the following?
a. Presence of a nucleus.
b. Membrane-bound organelles
c. Protein-studded DNA
d. Integral membrane proteins in the plasma membrane
Answer: b. Membrane-bound organelles
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What is the main difference between the haploid and diploid phases of animal and plant life cycles?
What will be an ideal response?
Where is the palisade mesophyll positioned within the leaf?
a. One layer above the lower epidermal surface b. Within the vascular layer c. On the lower epidermal layer d. One layer below the upper epidermal surface e. On the upper epidermal surface
The process by which chromosomes fail to
separate during meiosis is called
a. aneuploidy. b. trisomy. c. monosomy. d. nondisjunction. e. polyploidy
If you saw a child with bent, bowed legs, what disease would you suspect the child had?
A. rickets B. scurvy C. beriberi D. pellagra E. anemia