Plants from which of the following groups died off as angiosperms diversified and became more abundant? Select all correct choices
A. ferns
B. cycads
C. lycophytes
D. ginkgos
B,D
Biology & Microbiology
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Which of the following categories of genes is typically NOT encoded in cpDNA?
A. Genes encoding rRNA B. Genes encoding tRNA C. Genes for photosynthetic pathway enzymes D. Genes encoding nuclear proteins
Biology & Microbiology
Birds store food in a modified portion of the lower esophagus called the
A. crop. B. epiglottis. C. gizzard. D. alimentary canal. E. pharynx.
Biology & Microbiology
If you could neither synthesize nor acquire deoxyribose in any way, you could not make the nucleic acid ________
Fill in the blank(s) with correct word
Biology & Microbiology
Suppose you have type A blood (genotype IAi). To whom can you safely donate blood?
a. to people with type A only b. to people with type AB only c. to people with type O only d. to people with types A and AB
Biology & Microbiology