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Samantha Lynch

Week 3: Quiz

If a sequence of nitrogen bases in nucleic acid were A-U-C-G-A, which of the following would be true about the nucleic acid? It contains ribose sugar.
A saline solution that contains a higher concentration of salt than a red blood cell would be: hypertonic
A sequence of three bases forms a(n): codon
The pairing of bases of a strand of DNA is obligatory. If a strand of DNA were composed of the base sequence of ATCG, what would be the obligatory sequence of its opposing base pairs? TAGC
During which stage of mitosis do the centrioles move to the opposite poles of the cell? Prophase
All of the following are examples of passive transport except: endocytosis.
Diffusion requires: a concentration gradient.
Diffusion of particles through a membrane by means of a carrier molecule is called: facilitated diffusion.
Materials can be moved from a low concentration to a high concentration through: active transport.
Which is not true about the sodium and potassium pump? Sodium moves into the cell and potassium moves out of the cell.
The small water channels in the cell membrane are called: aquaporins
A DNA molecule is characterized by all of the following except: ribose sugar.
When the chromosomes align themselves across the equator of the spindle fibers, it is characteristic of which phase of mitosis? Metaphase
The physical process by which water and solute move through a membrane when a hydrostatic pressure gradient exists across the membrane is the process of: filtration.
Which of the following is not true of RNA? It contains deoxyribose sugar.
Phagocytosis is an example of: endocytosis.
Transcription can be best described as the: synthesis of mRNA.
An individual’s entire set of DNA can be referred to as a: genome.
Which is true about the sodium and potassium pump? Three sodium ions are taken out of the cell.
A membrane carrier structure attracts a solute to a binding site, changes shape, and releases the solute on the other side of the cell membrane. This describes the process of: carrier-mediated transport.
Two solutions of different concentrations of glucose are separated by a membrane that allows both glucose and water to pass through. When dynamic equilibrium is reached, there will be: an even exchange of material across the membrane.
NaCl would move through the cell membrane in which direction? Both into and out of the cell
The correct order of the phases of mitosis is: prophase, metaphase, anaphase, telophase.
All of the following occur as a result of meiosis except: chromosome number remains at 46.
Which of the following terms is synonymous with tumor? Neoplasm
Extensive weight training causes the muscle cells to: hypertrophy.
Which of the following is not true of diffusion? Uses cellular energy
Twenty-three chromosomes per cell in humans is referred to as: haploid.
Water will move through the cell membrane by: osmosis.
Which of the following statements is true? The site of transcription is within the nucleus, whereas the site of translation is in the cytoplasm.
Created by: 163046135225366
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