In 2012, scientists discovered that colonies of single-celled organisms can be found in high numbers in the human gut. Scientists are particularly concerned with the colonies that produce methane, as methane in the human gut can be linked to constipation
and irritable bowel syndrome (IBS). The scientists can classify these colonies as belonging to the domain
A) Archaea.
B) Bacteria.
C) Eukarya.
D) Protista.
Answer: A) Archaea.
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Which type of connective tissue forms tendons and ligaments?
a. loose connective tissue b. blood c. cartilage d. dense connective tissue
e. adipose tissueWhat is true about new nucleosome formation during DNA replication?
A) Nucleosomes will be composed of different combinations of H3/H4 tetramers and H2A/H2B that are either newly synthesized or were from previous histone octamers. B) Nucleosomes will be composed of different combinations of H3/H2A tetramers and H4/H2B that are either newly synthesized or were from previous histone octamers. C) One DNA strand will have newly synthesized octamers and the other will have previously synthesized octamers. D) Nucleosomes will be composed of different combinations of H2A/H2B/H3/H4 tetramers that are either newly synthesized or were from previous histone octamers.
Cholesterol ____
a. has a rigid backbone of four nitrogen rings b. is the most common steroid in animal tissue c. is a lipid with a fatty-acid component d. is needed to inhibit sexual development and maturity e. is needed to lubricate feathers
What is the practice farmers use when they plant a single crop over a large area of land?
What will be an ideal response?