The Calvin cycle takes place in the:
A) grana. B) cytoplasm. C) thylakoids. D) stroma.
Answer: D
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All lipids are ________.
A. hydrolytic B. water-loving molecules C. hydrophilic D. hydrophobic
Which of the following bacteria are found
inside the roots of legumes?
a. thermophilic bacteria b. cyanobacteria c. nitrogen-fixing bacteria d. methane-producing bacteria e. halophilic bacteria
How does a gene tree differ from a species tree?
A) A gene tree shows the relationships among all the genes in a species genome, whereas a species tree shows the relationships among species. B) A gene tree is based on gene sequences, whereas a species tree is based on morphological features of each species. C) A gene tree is a phylogeny of individual genes, and can include multiple genes from a single species and/or samples of the same gene from multiple species; in a species tree, each species is represented by only a single branch. D) A gene tree is a subcategory of species tree, in which the data used to create the tree comes from gene sequences.
In which example(s) below are models being used to make inferences?
a. A policeman clocking the speed of a motorist with a radar gun. b. Someone checks the weather forecast for the weekend. c. A conservation biologist uses population genetic models to design a captive breeding program. d. All of the above.