Glycogen is a polysaccharide used for energy storage by ____
a. plants
b. animals
c. protists
d. bacteria
e. archaea
ANSWER: b
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How can mutations in different genes, functioning in different cells, lead to the same disease? From the following, choose the best responses to complete the sentences: "Physiological function requires that multiple cells work together. Various defects in different cells can impair function, leading to ___________ that are indistinguishable at the level of the whole organism. In Charcot-Marie-Tooth disease, motor nerve function can be impaired either by a problem within _______________ , or a problem in __________________ causing _______________."
Charcot-Marie-Tooth is the most commonly inherited peripheral neuropathy, and has no known cure. Patients suffer damage to motor and sensory neurons, leading to degeneration of muscles and gradual loss of motor control. A. defects; somatic cells; oligodendrocytes; demyelination B. symptoms; motor neurons; Schwann cells; demyelination C. symptoms; sensory neurons; Schwann cells; fast axonal transport D. genotypes; dendrites; axons; fast axonal transport Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content/Choose Answer · What do you already know about components of the nervous system? What other information is related to the question? 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?
The electrons that are passed to NADP+ during the
noncyclic pathway are obtained directly from __________ but ultimately from __________. a. chlorophyll; water b. CO2; chlorophyll c. ATP; O2 d. water; chlorophyll e. NADPH; chlorophyll
In which way would males and females differ in terms of chromosomes?
A) the total number of autosomes B) the loci for the majority of their genes C) the types of sex chromosomes D) the inheritance of one X chromosome from their mother E) the need for two sex chromosomes
The AUC and AUA codons in mRNA both specify isoleucine. What feature of the genetic code explains this?
a.) complementarity b.) nonsense codons c.) universality d.) degeneracy