Which feature is characteristic of all polysaccharides?
a. energy usage
b. always branched chains
c. fructose subunits
d. only consisting of carbon, hydrogen, and oxygen atoms
e. produced by condensation reactions
ANSWER: e
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A vertebrate paleontologist is hunting through chalk deposits and finds a set of fused clavicles with some other bone fragments. What has she found?
A. The remains of an amphibian. B. The remains of a lobe-finned fish. C. The remains of a bird. D. The remains of a mammal. 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 bird adaptations? 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?
In cats the allele B produces black, whereas b
produces yellow. Neither gene is dominant, and in the heterozygous state the phenotype is a combination of yellow and black spots called tortoiseshell. The alleles B and b are X-linked. If a tortoiseshell cat has three tortoiseshell kittens and two black kittens, give the genotype and phenotype of the tomcat that produced them, and give the sex of the kittens. What will be an ideal response?
Light touch is detected by
a. Pacinian corpuscles. b. Meissner's corpuscles. c. Merkel's discs. d. Ruffini endings. e. free nerve endings.
Auxin is made mainly in ____ and in young leaves, and transported elsewhere.
A. chloroplasts B. lateral buds C. lateral meristems D. root apical meristems E. shoot apical meristems