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1. If one ribose molecule were bonded to one adenine molecule and one phosphate molecule, we would have a
A. ribosomeB. nucleotideC. nucleic acidD. ATPE. ADP
2. Consider this pedigree:
The allele causing the disorder (shaded individuals are affected) can best be described as
A. autosomal dominantB. autosomal recessiveC. X-linked dominantD. X-linked recessiveE. There is not enough information to determine.
3. Which of the following is/are true for a resting human?
I. Systolic blood pressure of 180 mm Hg
II. Heart rate of 60-80 beats per minute
III. Body temperature of 37oC
A. I onlyB. II onlyC. I and IID. II and III onlyE. I, II, and III
4. A researcher has a black guinea pig and wishes to determine if it carries a recessive allele for white hair. Both of the guinea pig's parents are black. Which of the following would be the best method for the researcher to use?
A. Mate the guinea pig with another black guinea pig and look for white offspringB. Look for white hairs on the guinea pigC. Mate the guinea pig with a white guinea pig and look for white offspringD. Observe the chromosomes of a hair cell from a black hairE. See if the guinea pig has any white siblings
5. A community includes seven different populations with various degrees of interbreeding. Population 1 shares genes only with Population 2. Population 2 shares genes only with Population 1. Population 3 has no gene flow with other populations. Population 4 shares genes only with Population 5. Population 5 shares genes with Population 4, Population 6, and Population 7. Population 6 shares genes with Population 5 and Population 7. Population 7 shares genes with Population 5 and Population 6. Which population(s) is (are) most likely to evolve after a change in its environment?
A. Populations 1 and 2B. Population 3C. Population 4D. Population 5E. Populations 6 and 7
6. Which of the following could be reasons for infertility in a woman who is ovulating normally?
I. Blocked uterine tube
II. Large amounts of FSH released just prior to ovulation
III. Large amounts of LH released just prior to ovulation
A. I onlyB. II onlyC. I and II onlyD. II and III onlyE. I, II, and III
7. What fragments would be produced if the following plasmid were to be digested with EcoRI and HindIII to completion?
A. 200 kb and 300 kbB. 200 kb, 300 kb, and 475 kbC. 600 kb, 475 kb, 375 kb, and 500 kbD. 200 kb, 300 kb, 400 kb, and 75 kbE. 200 kb and 775 kb
8. Human ABO blood typing is determined by the proteins present on red blood cells. The gene that codes for these proteins has three alleles: IA, IB, and i. IA codes for protein type A, IB codes for protein type B, and i codes for the absence of protein. IA and IB are codominant and i is recessive to both IA and IB. A woman with blood type A and a man with blood type AB marry and produce children. Which of the following blood types is NOT possible in their children?
A. Type AB. Type BC. Type OD. Type ABE. All blood types are possible in their children.
9. Which organism is the LEAST closely related to the others?
A. LizardB. FrogC. TurtleD. AlligatorE. Snake
10. Which of the following organelles would be present in a eukaryote but NOT in a prokaryote?
Which of the following represents the correct sequence of heart structures that blood would pass through when traveling from the right atrium to the lungs and then to the left ventricle?
A. 3, 2, 4, 5, 7B. 6, 2, 1, 4, 5C. 3, 2, 1, 5, 7D. 6, 2, 3, 4, 5E. 6, 2, 4, 5, 7
Which structures carry blood rich in oxygen?
A. 2, 3, 4B. 3, 5, 7C. 4, 5, 6D. 1, 5, 7E. 2, 4, 5
Which structure returns blood poor in oxygen to the heart?
A. 1B. 2C. 3D. 4E. 5
What type of molecule is depicted in the drawing above?
A. ProteinB. CarbohydrateC. LipidD. Nucleic acidE. Starch
If we were to continue adding to this molecule to increase its size, to which atom would the next portion be bonded?
The synthesis of this molecule also results in the production of
A. carbon dioxideB. waterC. lipidsD. ATPE. NADH
Which of the following is the area of least productivity?
A. Intertidal zoneB. Oceanic zoneC. Photic zoneD. Aphotic zoneE. Neritic zone
Organisms that live in the abyssal zone would need all of the following adaptations EXCEPT
A. ability to withstand extreme pressuresB. well-developed eyesC. tolerance of cold temperaturesD. ability to survive in areas of low nutrient densityE. ability to utilize limited resources
Organisms that live in the intertidal zone might have which of the following characteristics?
I. Ability to conduct photosynthesis
II. Tolerance of periodic drought
III. Tolerance of a wide range of temperatures
A. I onlyB. II onlyC. I and III onlyD. II and III onlyE. I, II, and III
20. Because some fruits contain enzymes that act as proteases, various fruit extracts were tested for use as possible meat tenderizers. The extracts were tested over a range of pH values. Below is a graph of relative effectiveness (compared to distilled water) vs. pH.
Which fruit extract operates over the broadest pH range?
A. LemonB. PineappleC. PapayaD. AppleE. Banana
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