Indicate the ploidy of each of the following cells:A
plant spores
B. sperm
C. somatic cells
D. cells of a flower petal What will be an ideal response?
Concepts to Consider: Plant spores are haploid; sperm cells are haploid; somatic cells are
diploid; cells of a flower petal are diploid.
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Pathogenic strains of Escherichia coli usually express
A) capsules. B) colonization factor antigens (CFA). C) plaques. D) slime layers.
A co-evolutionary arms race is when a predator develops new traits in response to traits that have developed in their prey
If the Sierra newt produces a potent neurotoxin called tetrodoxotoxin that causes paralysis in animals that consume them, then a co-evolutionary response of their predators, the garter snake, might be: A. adaptation to a different food source B. developing the ability to produce a toxin that kills the newt C. increasing the speed at which the garter snake can sneak up on the newt D. developing resistance to tetrodoxotoxin
In the wild, an animal avoids a food that had previously made it sick. This animal is exhibiting
A. observational learning. B. habituation. C. imprinting. D. operant conditioning. E. classical conditioning.
Magnetic Resonance Imaging (MRI) quantifies (i) _______ in (ii) _______ utilizing magnetic field.
a) (i) calcium (ii) vessel b) (i) hydrogen, (ii) neuron c) (i) hydrogen (ii) vessel d) (i) calcium, (ii) neuron