You and your class collected plants around campus. You observe that in many plants, one or more leaves attach at common points on the stem. This point on each plant is the
A. axillary bud.
B. internode.
C. sieve plate.
D. petiole.
E. node.
E. node.
Biology & Microbiology
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Which term best describes a human being?
(a) omnivore. (b) herbivore. (c) carnivore. (d) parasite.
Biology & Microbiology
A man and woman are each heterozygous for the autosomal recessive disorder cystic fibrosis. If they
want to have three children, what is the probability that only one of the children will have cystic fibrosis?
a. 1/4 b. 3/4 c. 9/16 d. 9/64 e. 27/64
Biology & Microbiology
In which type of transfer do bacteria or archaea take up DNA from their environment and integrate it into their genome?
a. conjugation b. transduction c. transformation d. all horizontal e. vertical
Biology & Microbiology
Cutting DNA with a particular restriction enzyme produces DNA fragments that can be separated by enzymes.
a. true b. false
Biology & Microbiology