Amoeboid protozoans are autotrophic
Indicate whether the statement is true or false
F
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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
Most protein synthesis happens on the surface of the ___________
A. rough endoplasmic reticulum D. mitochondrion B. smooth endoplasmic reticulum E. nucleus C. Golgi complex
In a family, both parents have freckles and widow's peak. Both of these traits are dominant: F = freckles, W = widow's peak
What is the correct phenotypic ratio of the next generation if the parents were heterozygous? The order of the genotypes is: freckled with widow's peak; freckled, straight hairline; no freckles with widow's peak; no freckles, straight hairline. A) 9:3:1:1 B) 9:3:3:1 C) 9:1:1:3 D) 1:3:3:9
Which of the following is a bacterium that performs oxygenic photosynthesis?
a. Cyanobacteria b. Purple nonsulfur bacteria c. Green sulfur bacteria d. Green nonsulfur bacteria e. Purple sulfur bacteria