Succulent plants such as cacti or pineapple
A. produce 4-carbon malate in the first step of carbon fixation.
B. are C3 plants.
C. are highly efficient at photosynthesis in cooler and wet environments.
D. tend to undergo substantial rates of photorespiration.
E. continually produce sugar, both day and night under hot, arid conditions.
Answer: A
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If offspring exhibit a 9:3:3:1 phenotypic ratio, what are the genotypes of the parental (p) generation? _______________
Fill in the blank(s) with the appropriate word(s).
Genes are located on ________
A) chromosomes B) the cytoplasm C) mitosis D) the centromere
Oxygen consumption can be used as a measure of metabolic rate because oxygen is
A. necessary for ATP synthesis by oxidative phosphorylation B. necessary to replenish glycogen levels C. necessary for fermentation to take place D. required by all living organisms E. required to break down the ethanol that is produced in muscles
Among prokaryotes, there are some that can live in every environment on earth.
a. true b. false