You just finished watching a scary movie and decide to take the trash out before going to bed. Halfway down the driveway, the streetlight goes out and something rattles the trashcans, just like in the movie before the monster attacked
Suddenly, the neighbor's cat jumps up onto the top of the trashcan and you shriek. Your increased heart rate is in response to the neurotransmitter
A) acetylcholine.
B) glutamate.
C) GABA.
D) norepinephrine.
E) oxytocin.
D
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At an autosomal gene locus in humans, the allele for brown eyes is dominant over the allele for blue eyes. At another gene locus, located on the X chromosome, a recessive allele produces colorblindness while the dominant allele produces normal color vision. A heterozygous brown-eyed woman who is a carrier of colorblindness has a child with a blue-eyed man who is not colorblind. An ultrasound test shows that the child is a girl. What is the probability that she will be colorblind? (Enter the probability as a percent. Enter the number only without the percent sign. For example, enter 100% as 100 and enter 12.5% as 12.5)
What will be an ideal response? Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain? Gather Content · What do you already know about X-linked and autosomal inheritance? Consider Possibilities · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Which of the following is the terminology for an organism at the top trophic level of the food chain?
a. primary producer b. secondary producer c. apex consumer d. secondary consumer
Application of synthetic gibberellins improves the
quality and marketability of a. oranges. b. grapes. c. celery. d. cabbage. e. all of these.
What is the MOST common type of mutation involving single base pairs?
A. frameshift mutation B. nonsense mutation C. missense mutation D. base substitution