Prokaryotes are a class of microbes that are characterized by all of the following EXCEPT:
A. Their ribosomes are 70S
B. Almost all members possess a cell wall.
C. Their genetic materials are enclosed by a nuclear membrane thus forming a nucleoid.
D. Their genetic materials are composed of DNA and RNA
E. Presence of bilayer cytoplasmic membrane.
Ans: C. Their genetic materials are enclosed by a nuclear membrane thus forming a nucleoid.
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Delayed hypersensitivity is also known as ___________ hypersensitivity
A. type I B. type II C. type III D. type IV E. type V
A rise in oxygen in Earth's air and seas put organisms that engaged in _____ at a selective advantage
a. aerobic respiration b. fermentation c. photosynthesis d. sexual reproduction
Agricultural crops are being genetically engineered to be more tolerant of climate change. Which of the following describes a change that would help crops be more tolerant of climate change?
A. engineer crops that require extra water B. engineer crops that are less nutritious C. engineer crops to withstand extremely hot temperatures D. engineer crops to be intolerant of colder temperature ranges
elimination
What will be an ideal response?