Assume that the ancestor of this phylogeny had vascular tissue and chlorophyll. If this is true, which answer lists all key traits of a ginkgo?
A. Tree and seeds
B. Needles, tree, and seeds
C. Vascular tissue, needles, tree, and chlorophyll
D. Seeds, tree, vascular tissue, and chlorophyll
Answer: D
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If you wanted to increase the cation exchange and water retention capacity of loamy soil, you should _____
A) adjust the soil pH to 7.9 B) add clay to the soil C) practice no-till agriculture D) add fertilizer containing potassium, calcium, and magnesium to the soil E) increase the number of sand particles in the soil
Natural selection that increases the frequency of a favorable allele is called _____
A. positive selection B. balancing selection C. sexual selection
Which of the following would be considered a macromolecule?
A. CO2 B. ammonia C. egg protein D. hydrochloric acid
Antimicrobial drugs can be divided into categories based on the metabolic target they affect. Identify one of these targets from the list below.
A) inhibition of cell wall lysis B) inhibition of protein denaturation C) interference with cell membrane function D) inhibition of folic acid decomposition