16 Jun MD University College BIO 103 – Which of the following is not a function of mitosis in humans
Question
1. Which of the following is not a function of mitosis in humans?
A. Growth
B. Repair of wounds
C. Production of gametes from diploid cells
D. Replacement of lost or damaged cells
2. A gamete (cell) carries only one allele for each inherited character because the two alleles separate from each other during gamete production (meiosis). This statement defines
A) Monohybrid cross
B) Law of segregation
C) Genotype
D) Homologous chromosomes
E) All of the above
3. What is the correct sequence of steps in the scientific method?
I. Observe a phenomenon
II. Analyze and interpret data
III. Develop a hypothesis
IV. Share the results with other scientists
V. Design and perform experiment to test the hypothesis
A) I – II -III -IV – V B) III – I -V– II –IV C) V – IV –III – II – I
D) I – III – V– II – IV E) V – II –I – III -IV
4. To test a hypothesis about a given variable, experimental and control groups are tested in parallel. Which of the following best explains the dual experiments?
A) In the experimental group, a chosen variable is altered in a known way. In the control group, that chosen variable is not altered so a comparison can be made.
B) In the control group, a chosen variable is altered in a known way. In the experimental group, that chosen variable is not altered so a comparison can be made.
C) In the experimental group, a chosen variable plus all other variables are altered. In the control group, the chosen variable is altered; however, all other variables are held constant.
D) In the experimental and control groups, two different variables are altered.
E) Experimental and control groups experiments are identical and run in parallel
to get repeatable results.
5. The smallest unit of life is the
A) cell B) organelle C) macromolecule D) atom
6. You examine a cell under a microscope and you do not see a well defined nucleus. You conclude the cell must a _____________________ cell.
A) prokaryotic B) eukaryotic C) plant D) animal
7. All of the following are examples of elements except?
A) oxygen B) water C) hydrogen D) carbon
8. Two atoms with the same atomic number, but different mass numbers are called_________.
A) radioactive B) isotopes C) proteins D) electrons E) nuclei
9. Select the element that is not one of the four most common elements in living matter.
A) carbon B) hydrogen C) nitrogen D) oxygen E) phosphorous
10. Edward was found to heterozygous (Ss) for the sickle-cell trait. The alleles represented by the letters S and s are
A) on the X and Y chromosomes
B) linked
C) on homologous chromosomes
D) both are present in each of Edward’s sperm cells
E) none of the above
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