What is one cellular characteristic found in all prokaryotic and eukaryotic cells?
a. nucleus
b. nucleoplasm
c. chloroplast
d. mitochondria
e. plasma membrane
e
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Transposons can be found on many genetic elements, including plasmids, chromosomes, and viral genomes
Indicate whether the statement is true or false.
A deficiency of vitamin D causes
1.scurvy. 2.rickets. 3.kidney stones. 4.a goiter. 5.dwarfism.
The elimination of resident bacterial populations is
a. beneficial to animals. b. beneficial to opportunistic pathogens. c. difficult because they are resistant to antibiotics. d. unlikely because of their large numbers. e. all of these.
Asexual reproduction _____.
A) is used exclusively by prokaryotes B) occurs only in single-celled organisms C) requires only one parent D) creates unique combinations of traits E) increases the genetic variability of the offspring