What are the characteristics of red light, which is absorbed by chlorophylls?
A. Its photons have the shortest wavelength in the visual spectrum
B. It is not considered a part of the visual spectrum
C. Its photons have the highest energy in the visual spectrum
D. Its photons have the longest wavelength in the visual spectrum
Answer: D
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A protein that is destined to reach the plasma membrane is making its way through the Golgi. At that moment, a drug was added to cells, blocking trafficking at the trans face of the Golgi. As a result, what would happen to the protein?
A. The protein would continue on to the cell surface. B. The protein would be stuck in the Golgi. C. The protein would return to the endoplasmic reticulum via the trans face of the Golgi. D. The protein would exit the Golgi, but instead be targeted to the cytoplasm.
If genetically identical strains of corn are grown in different environments, then differences in height would be due to the environment and:
A. the heritability measure would be 100%. B. the heritability measure would be 0%. C. the heritability measure would indicate that the environment has no effect on inheritance of the trait. D. the heritability measure would indicate that the genotypic differences have no effect on the inheritance of the trait. E. None of these answer options is correct.
In some plants, companion cells become modified into phloem cells that facilitate the short-distance
transport of various organic solutes from the symplast into the apoplast.
Indicate whether the statement is true or false.All of the following are model organisms, except
A) Saccharomyces cerevisiae. B) Drosophila melanogaster. C) Caenorhabditis elegans. D) Arabidopsis thialana. E) Homo sapiens.