Which of the choices best describes macroevolution?
A) Individuals with one genotype reproduce more than individuals with another genotype in a population.
B) Mutation creates new alleles that are dominant.
C) A new species emerges.
D) Dominant and recessive allele frequencies are in equilibrium in a population.
C) A new species emerges.
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On the anterior side of the human body, the ribs join to the:
a. vertebrae b. clavicle c. sternum d. pectoral girdle e. pelvic girdle
____ is an adrenal hormone that makes kidney tubules more permeable to sodium and encourages sodium
reabsorption, thus increasing water reabsorption and concentrating the urine. a. ADH b. ANP c. Angiotensinogen d. Aldosterone e. AMP
The physical units of heredity composed of defined DNA sequences that collectively control gene transcription and contain the information to produce RNA molecules or proteins are better known as what?
What will be an ideal response?
What two monosaccharides combine to form lactose?
a) glucose and galactose b) glucose and fructose c) 2 galactose molecules d) 2 glucose molecules e) galactose and fructose