How do archaeans and bacteria differ?
a. size
b. shape
c. plasma membrane composition
d. absence of a nucleus
e. mode of cellular division
ANSWER: c
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In medicine, agriculture, and conservation applications of biotechnology, the common genetic unit used is the
A. allele. B. gene. C. centromere. D. nucleotide (nitrogen base). E. chromatid.
What is the genetic code?
a. all of our genes collectively b. all of our base-pairs collectively c. the genetic “words” that code for amino acids d. the genes on DNA that code for proteins e. more than one of these describes the genetic code
A country's ecological footprint can be calculated by multiplying its population size by the footprint of each individual. Why are some ecologists concerned about the ecological footprint of a country like India
A. Its population is increasing. B. Its standard of living and land area are increasing. C. Its population and land area are increasing. D. Its standard of living is increasing. E. Both its population and standard of living are increasing.
Final phase of mitosis; daughter cells are located at each pole.
What will be an ideal response?