A modification that occurs to a nuclear gene that alters gene expression, but not permanently, is called _______ inheritance
A. extranuclear
B. cytoplasmic
C. maternal effect
D. epigenetic
E. nuclear
D
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If chlorophyll a is blocked from absorbing light, what would be the effect on the ability of the plant to do photosynthesis?
A. The plant will have an enhanced ability to carry out light-dependent reactions B. The plant will have an enhanced ability to carry out light-independent reactions C. The plant will have a decreased ability to carry out light-dependent reactions D. The plant's ability to carry out photosynthesis will be unchanged, as one of the accessory pigments can fill in for chlorophyll a 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 the role of pigments during photosynthesis? What other information is related to the question? Choose Answer Do you have all the information needed to determine what would happen? 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?
How many new cases of breast cancer are diagnosed every year in the United States?
a. 2.2 million b. 1.7 million c. 865,000 d. 200,000 e. 78,000
Embryonic shoots located at the tips of stems are called __________, while those located in the angle
between leaves and stems are known as __________. a. nodes; internodes b. axillary buds; terminal buds c. terminal buds; axillary buds d. axillary buds; lateral buds e. bud scales; bud scale scars
What is the difference between phenotype and genotype?
A) Phenotype is when both alleles are the same and genotype is when the alleles are different. B) Genotype is the physical expression of a trait and phenotype is the combination of alleles carried by the organism. C) Phenotype is the physical expression of a trait and genotype is the combination of alleles carried by the organism. D) Phenotype is the alleles that are hidden and genotype is the alleles that are expressed.