Populations in which individuals repel each other because resources are in short supply tend to have
____ distributions.
a. random
b. clumped
c. uniform
d. dynamic
e. unpredictable
C
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Proteins that recognize unfolded polypeptides and help them fold into their proper conformations are called ________.
Fill in the blank(s) with the appropriate word(s).
In the common daisy, genes A and B control flower color. Both genes have a dominant allele (A or B) and a recessive allele (a or b). At least one copy of each dominant allele is required for flowers to be colorful instead of white. Predict the genotypes and phenotypes of the F1 progeny of a cross between two white-flowered plants, one homozygous for A and the other homozygous for B.
A) AA bb, white B) aa BB, white C) Aa Bb, colorful D) Aa Bb, white E) aa bb, colorful
In eukaryotic cells, the function of the nucleolus is which of the following?
A) It is where all the nuclear DNA is located. B) It is where cellular respiration takes place. C) It is where ribosomal RNA is synthesized and ribosome assembly begins. D) It is where transcription and translation of all gene products take place.
Which of the following produces a hallucinogenic toxin?
A) Amanita phalloides B) Claviceps purpurea C) Psilocybe cubensis D) Pseudallescheria E) Paracoccidioides brasiliensis