The mesophyll layer of leaves is important to plants because
A. it keeps the plant from drying out.
B. it anchors the plant to the soil.
C. most of the photosynthesis occurs here.
D. most of the water needed for photosynthesis is absorbed here.
Answer: C
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Indicate whether this statement is true or false.
If the 13 CODIS SSR loci are genotyped, why does each person (except identical twins) have a unique combination of SSR alleles?
A) Each SSR locus has many alleles, each with a different number of repeats. B) SSRs have a very low mutation rate in individuals. C) SSR inheritance follows Mendel's law of segregation. D) Mitotic recombination results in new combinations of SSRs in different parts of an individual's body.
A dikaryotic cell
a. is a spore. b. results from nuclear fusion. c. contains nuclei of two different mating types. d. becomes a zygote. e. becomes a gamete.
Skin color and eye color are an example of ____
a. pleiotropy b. polygenic traits c. codominance d. continuous variation e. multifactorial traits