Mutations in genes that affect __________ may cause morphological shifts in a lineage. Fill in the blank(s) with the appropriate word(s)
development
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Photosynthetic autotrophs use ________ from the air as a carbon source and ________ as their energy source
Fill in the blank(s) with correct word
The rate of background extinctions is calculated to be species per year per million species.
A. 0.1 to 1.0 B. 1.0 to 10 C. 0.001 to 0.01 D. 10 to 100 E. None of the answer choices is correct.
Consider a diploid organism. What is the genotypic ratio expected to be observed in the offspring produced by two heterozygous parents?
a. 3 homozygous dominant : 1 homozygous recessive b. 2 homozygous dominant: 2 homozygous recessive c. 2 homozygous dominant: 1 heterozygous: 1 homozygous recessive d. 1 homozygous dominant: 2 heterozygous: 1 homozygous recessive
Which of the following is a functional domain that is found in eukaryotic transcription factors and bacteria?
A) helix-turn-helix motif B) basic leucine zipper, zinc finger, and helix-turn-helix motifs C) zinc finger motif D) basic leucine zipper and zinc finger motifs E) basic leucine zipper motif