The lacteal, a lymphatic vessel in the center of each intestinal villus, functions in digestion by absorbing
A. nucleic acids.
B. carbohydrates.
C. vitamin C.
D. proteins.
E. lipids.
Answer: E
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When both dominant and recessive alleles are present within a single nucleus, the organism is for the trait.
(a) diploid (b) haploid (c) homozygous (d) heterozygous
The inner wall of the optic cup becomes the ____ while the outer wall becomes the ____.
A. Cornea; Lens B. Iris; Lens C. Neural Retina; Pigment Epithelium D. Optic Nerve; Neural Retina E. Pigment Epithelium; Ciliary Body
Which pairing of organism and the chemical component of its cell wall is matched incorrectly?
A) Protista: cellulose, silica, or other components B) Plants: cellulose C) Animals: cholesterol D) Bacteria: peptidoglycan E) Fungi: chitin
If no evolutionary force acts on a population besides mutation, genotype frequencies will _______
a. remain the same over time b. increase over time c. decrease over time d. will always be in the Hardy–Weinberg proportions e. None of the above