How did Mendel get the peas to cross-fertilize?
a. He placed them close together in the garden.
b. He kept them apart and pollinated them by hand.
c. He allowed them to self-fertilize.
d. He did nothing at all.
Answer: b. He kept them apart and pollinated them by hand.
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The hyphae of basidiomycetes:
A. can contain one diploid nucleus B. can contain one haploid nucleus C. can be dikaryotic D. can be heterokaryotic E. can be any of the choices provided except "one diploid nucleus"
Which of the following lists of structures is in the correct order from inside to outside of the cell?
A) axoneme, transition zone, basal body B) transition zone, basal body, axoneme C) axoneme, basal body, transition zone D) basal body, transition zone, axoneme E) basal body, axoneme, transition zone
If a cell had four sets of chromosomes before
mitosis, how many would it have after mitosis?
a. 2 sets b. 4 sets c. 8 sets d. 0 sets e. none of these because a cell can’t have 4 sets of chromosomes
Which of the following conditions rise as a consequence of a thinning ozone layer?
A. Increased global temperature B. Increased rain C. Stronger wind D. Air pollution E. Increased rate of skin cancer