Sensations of visceral pain are related to all of the following EXCEPT
a. muscle spasms.
b. muscle fatigue.
c. reduced blood flow to organs.
d. damage to organs.
e. tendon tear.
E
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Taste bud sensory cells synapse with:
A. the brain B. interneurons C. motor neurons D. memory cells
Despite its name, Kentucky Bluegrass is a widespread turfgrass used for lawns throughout the United States. In some regions, strains have developed desirable disease-resistant properties. However, Kentucky Bluegrass typically develops by apomixis. Plant breeders say this creates both a challenge and an opportunity for engineering novel strains. Why?
A. In apomixis, new plants develop from underground horizontal stems. This allows for fast propagation of new strains, but all progeny are identical to the parent. B. Plants that develop by apomixis are naturally tolerant of herbicides. As a result, herbicide tolerance genes cannot be used as selectable markers for a transgene, but herbicides can be used to keep the resulting culture pure. C. Since the progeny of apomixis are triploid, hybrids have an imbalance of parental genes. However, this may be desirable if a higher proportion of one allele is beneficial. D. If a seed develops by apomixis, it will be identical to its parent. Hybridization with another strain requires special techniques. However, once a hybrid strain is developed, apomixis ensures its reliable propagation. Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about apomixis? What other information is related to the question? Choose Answer Given what you now know, what information 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 hormones is produced only
when a woman is pregnant? a. testosterone b. gonadotropic-releasing hormone c. human chorionic gonadotropin d. estrogen e. progesterone
Which modification of the terminator region of a gene would specifically prevent rho-independent termination?
A. Change in the adenine-rich sequence of nucleotides of the terminator region. B. Change in the sequence that encodes the mRNA leader. C. Change in the rut binding site. D. Change in the adenine-thymine sequence of the Pribnow box.