________ is the number of offspring produced per unit of time

Fill in the blank(s) with correct word


Fecundity

Biology & Microbiology

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Thylakoids are structures associated with the ____________ of chloroplasts

a. pigments b. stroma c. grana d. cristae

Biology & Microbiology

The size of a plant's seeds reflects an evolutionary trade-off. Large, heavy seeds contain ample nutrients to fuel seedling growth but may not travel far. In contrast, small seeds store limited nutrients but disperse far and wide. Human-cultivated crops typically have larger seeds than do their wild ancestors. How has human farming altered the evolution of these crops?

A. We grow the plants under conditions that favor the growth of larger seeds. B. By using fertilizers, the seeds do not need to store as many nutrients. C. We have created crop plants that are more competitive in the wild than their ancestors. D. Because we spread the seeds, we can spread more smaller seeds per acre, thus favoring these plants. E. We have removed the selection pressure favoring small seed size.

Biology & Microbiology

The polysaccharides agarose and carrageenan are isolated from red algae for commercial use. These polysaccharides are found in cell walls. What plant polysaccharide are they analogous to?

A. Mannose B. elastin C. Cellulose D. Collagen E. Amylose

Biology & Microbiology

________ _______ is involved in breaking hydrogen bonds during DNA replication

a) DNA Polymerase b) Peptidyl transferase c) Helicase d) RNA Polymerase

Biology & Microbiology