A biome characterized by warm, fairly dry climate that primarily contains grasses with scattered, isolated trees is a ________
A) savanna
B) chaparral
C) tundra
D) temperate grasslands
A
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________ is the carrier molecule required to transport peptidoglycan subunits to the location where they will be incorporated into the growing bacterial cell wall.
A. UDP glucose B. Bactoprenol C. Malonyl-CoA D. Acyl carrier protein
Briefly explain why viruses are not considered living organisms
What will be an ideal response?
Which of the following statements is incorrect about mutations?
A. Some mutations change the nucleotide sequence of a gene. B. Mutations change the bases in DNA. C. A mutation in a somatic cell will be passed on to subsequent generations. D. Without mutations, there would be no variation and no evolution. E. Some mutations remove nucleotides from a gene.
In people with lighter skin, respiratory failure can lead to a change in the color of the skin. Which pigmentation factor is affecting this change?
A) hemoglobin B) folic acid C) carotene D) melanin