Biochemistry & Macromolecules
Organelles & Transport
Mitosis & Meiosis, DNA Replication & Protein Synthesis
Cellular Respiration & Photosynthesis
Genetics
100
Which is NOT a characteristic of proteins? a) They contain genetic information b) The can act as hormones c) They can catalyze chemical reactions d) They act in cell membrane trafficking e) They can bind foreign materials
a) They contain genetic information
100
Water diffuses into and out of cells via a) carrier proteins b) symport systems c) ion channels d) osmosis e) active transport
d) osmosis
100
If the DNA sequence is 5'TACAGA3', then the complementary mRNA sequence is a) 3'UCUAUG5' b) 3'TACAGA5' c) 3'AUGUCU5' d) 3' UACAGA5' e) 3'ATGTCT5'
c) 3'AUGUCU5'
100
Which of the following statements regarding photosynthesis is NOT true? a) The light cycle occurs only during exposure to light b) The dark cycle occurs only in the absence of light c) ATP is produced during the light cycle d) During the dark cycle, sugars are produced e) Red and blue light are optimal for photosynthetic function
b) The dark cycle occurs only in the absence of light
100
Which of the following are correctly associated? a) RNA: thymine b) DNA: uracil c) RNA: replication d) mRNA: picks up amino acids e) RNA: ribose sugars
e) RNA: ribose sugars
200
What is the mathematical equation of pH? a) pH=-log[H+] b) pH=log[H+] c) pH=-log[OH-] d) pH=log[OH-] e) pH=log[H2O]
a) pH=-log[H+]
200
Which of the following is found in eukaryotes but NOT in prokaryotes? a) Ribosomal RNA b) Plasma membrane c) Nuclear membrane d) Ribosomes e) None of the above
c) Nuclear membrane
200
In humans, a normal sperm must contain I. an X chromosome II. 23 chromosomes III. a Y chromosome a) I only b) II only c) III only d) I and II only e) II and III only
b) II only
200
Which part of cellular respiration directly produces a pH gradient during the oxidative metabolism of glucose? a) Glycolysis b) Anaerobic respiration c) Krebs cycle d) Electron transport chain e) None of the above
d) Electron transport chain
200
Red is dominant over white in certain flower. To test whether a red offspring is homozygous or heterozygous in this flower, one would a) Cross it with a red plant with unknown parents b) Cross it with a red plant that had two red parents c) Cross it with a white plant d) Two of the above will work e) None of the above will work
c) Cross it with a white plant
300
Amino acids derived its name from its a) nitrogenous bases and phosphorus acid functional groups b) amine functional groups in its R groups c) ammonium and nitric acid functional groups d) amine and carboxylic acid functional groups e) nitrogenous bases and carbonyl functional groups
d) amine and carboxylic acid functional groups
300
What is the function of a lysosome's membrane? a) It isolates an acidic environment for the lysosome's hydrolytic enzymes from the neutral pH of the cytoplasm b) It is continuous with the nuclear membrane, thereby linking the lysosome with the endoplasmic reticulum c) It is sued as an alternative site of protein synthesis d) The cytochrome carriers of the electron transport chain are embedded within it e) It separates the nucleus form the cytoplasm
a) It isolates an acidic environment for the lysosome's hydrolytic enzymes from the neutral pH of the cytoplasm
300
Meiosis differs from mitosis in that I. two cell divisions take place II. DNA replicates during interphase III. haploid cells are produced from diploid cells a) I only b) II only c) III only d) I and III only e) I, II, and III
d) I and III only
300
Stomata in plant leaves close at night to prevent the loss of a) O2 b) H2O c) CO2 d) energy e) chlorophyll
b) H2O
300
Albinos have a genotype of aa, while all other members of population are either AA or Aa. The offspring of a cross between a heterozygous male and an albino female would be a) 100% albino b) 100% normal c) 50% normal, 50% albino d) 25% normal, 75% albino e) 75% normal, 25% albino
c) 50% normal, 50% albino
400
A difference between fats and carbohydrates is that a) carbohydrates are always steroids b) carbohydrates have a H:O ratio of 2:1 c) fats are known as starch d) fats have a H:O ratio with much more oxygen than hydrogen d) fats always contain nitrogen
b) carbohydrates have a H:O ratio of 2:1
400
Which of the following is not an organelle? a) Nucleus b) Golgi apparatus c) Lysosome d) Chlorophyll e) Chloroplast
d) Chlorophyll
400
The genes encoding for eukaryotic protein sequences are passed from one generation to the next in a) other proteins b) rRNA c) tRNA d) mRNA e) DNA
e) DNA
400
Give the chemical equations for cellular respiration and photosynthesis.
Cellular respiration: C6H12O6 + 6O2 --> 6CO2 + 6H2O + ATP Photosynthesis: Solar energy + 6CO2 + 12H2O --> C6H12O6 + 6O2 + 6H2O
400
A black male mouse (I) is crossed with a black female mouse, and they produce 15 black and 5 white offspring. A different black male mouse (II) is crossed with the same female, and the offspring from this mating are 30 black mice. Which of the following must be true? a) The female mouse is homozygous b) Male mouse II is heterozygous c) Two of the mice are heterozygous d) All the progeny of mouse II are homozygous e) All three mice are homozygous
c) Two of the mice are heterozygous
500
Which of the following does not affect the rate of an enzyme-catalyzed reaction? a) Concentration b) Temperature c) pH d) Inhibitors e) None of the above
e) None of the above
500
Cells that are involved in active transport, such as cells of the intestinal epithelium, utilize large quantities of ATP. In such cells, there are a) High levels of adenylate cyclase activity b) Extensive rough endoplasmic reticulum c) Many mitochondria d) High levels of DNA synthesis e) Many ion channels
c) Many mitochondria
500
All organisms utilize a) CO2 b) A triplet genetic code to produce proteins c) Oxygen d) ADP as cellular energy e) Membrane-bound organelles
b) A triplet genetic code to produce proteins
500
List the number of ATPs (net), NAD+/NADH, FAD/FADH2 produced in aerobic and anaerobic cellular respiration for one glucose molecule.
Aerobic: ~36 ATP, 10 NADH, 2 FADH2. Alcoholic Fermentation: 2 ATP (from glycolysis), 2 NAD+, 0 FAD/FADH2. Lactic Acid Fermentation: 2 ATP (from glycolysis), 2 NAD+, 0 FAD/FADH2.
500
The gene for red-green color blindness is located on the X chromosome. The offspring of a man suffering from red-green color blindness would have which of the following characteristics if he married a normal homozygous female? a) 50% of the females would be carriers; 100% of the males would be affected b) 100% of the females would be normal; 50% of the males would be affected c) 100% of the females would be carriers; 100% of the males would be normal d) 50% of the females would be affected; 100% of the males would be affected e) 100% of the females would be normal; 50% of the males would be carriers
c) 100% of the females would be carriers; 100% of the males would be normal
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