String of ribosomes simultaneously translating regions of the same mRNA strand during protein synthesis.
What will be an ideal response?
polyribosomes.
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If a woman has blood type O and a man has blood type AB, what is the probability that they will have
a child with blood type O?
a. 0 b. 1/16 c. 1/4 d. 1/2 e. 3/4
What did researchers find is a profit motive that can be applied to solve the fisheries crisis?
What will be an ideal response?
Which of the following statements about group B streptococci is FALSE?
A) They are present in healthy carriers. B) They cause gram-positive sepsis. C) They cause strep throat. D) They cause neonatal sepsis. E) They are classified as Streptococcus agalactiae.
The earliest cells detectable in fossils were different from the cells in animals, plants, fungi, and protists living today. These first prokaryotic cells gave rise to eukaryotic cells approximately 1.7 billion years ago. The structure of eukaryotic cells today suggests how they might have evolved from their prokaryotic ancestors. Scientists examining mitochondria and chloroplasts now think that these organelles were probably free-living prokaryotes before becoming a part of eukaryotic cells long ago. Which of the following is a characteristic of chloroplasts that suggests that they might have evolved from free-living bacteria?
A) Chloroplasts have cell walls. B) Chloroplasts contain pigments. C) Chloroplasts have their own DNA. D) A single, highly folded plasma membrane surrounds chloroplasts.