A student discovers a mat of green organisms living along the edge of a stream and suspects it is a moss. To confirm that this organism is a moss and not a green alga, he should look for _____.
Fill in the blank(s) with the appropriate word(s).
Answer: an apical meristem and retention of the embryo
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Brown-eye genes are dominant over blue-eye genes. What is the best explanation for the fact that all the blue-eye alleles have not disappeared in the human population?
A) Some blue alleles are always hidden in heterozygotes. B) The population is likely in Hardy-Weinberg equilibrium for that locus. C) Brown-eyed people sometimes have a blue-eyed parent. D) People with brown eyes tend to choose mates with brown eyes, and blue-eyed people tend to choose mates with blue eyes.
Photosynthesis is driven by the ________ light spectrum
A) visible B) ultraviolet C) infrared D) microwave
Restriction endonucleases are obtained from various species of bacteria.
Answer the following statement true (T) or false (F)
Which microbial group is the easiest to selectively target with antimicrobials?
A. Viruses B. Fungi C. Bacteria D. Helminths