practice final

practice final - Final Exam Section E 1) Cyclin proteins...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Final Exam Section E 1) Cyclin proteins begin to be synthesized during which phase of the cell cycle? A) M B) S C) G1 D) G2 E) G0 2) A virus that has the ability to turn off a tumor suppressor gene A) will inhibit viral reproduction B) will prevent cell cycle inhibition C) will cause a cell to enter G0 D) will cause flu like symptoms 3) Which of the following solutions has the greatest concentration of hydrogen ions [H + ]? A) gastric juice at pH 2 B) vinegar at pH 3 C) tomato juice at pH 4 D) black coffee at pH 5 E) household bleach at pH 12 4) Which functional group is most likely to be responsible for an organic molecule behaving as a base? A) hydroxyl B) carbonyl C) carboxyl D) amino E) phosphate 5) In addition to ATP, what are the end products of glycolysis? A) CO2 and H2O B) CO2 and pyruvate C) NADH and pyruvate D) CO2 and NADH E) H2O, FADH2, and citrate 6) When oxygen is released as a result of photosynthesis, it is a by-product of which of the following? A) reducing NADP+ B) splitting the water molecules C) chemiosmosis D) the electron transfer system of photosystem I E) the electron transfer system of photosystem II
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
7) How do the daughter cells at the end of mitosis and cytokinesis compare with their parent cell when it was in G1 of the cell cycle? A) The daughter cells have half the amount of cytoplasm and half the amount of DNA. B) The daughter cells have half the number of chromosomes and half the amount of DNA. C) The daughter cells have the same number of chromosomes and half the amount of DNA. D) The daughter cells have the same number of chromosomes and the same amount of DNA. E) The daughter cells have the same number of chromosomes and twice the amount of DNA. 8) You have in your possession a microscope slide with meiotic cells on it and a light microscope. What would you look for if you wanted to identify metaphase I cells on the slide? A) A visible nuclear envelope B) Separated sister chromatids at each pole of the cell C) Tetrads lined up at the center of the cell D) A synaptonemal complex E) A cleavage furrow 9) Black fur in mice (B) is dominant to brown fur (b). Short tails (T) are dominant to long tails (t). What fraction of the progeny of the cross BbTt × BBtt will have black fur and long tails? A) 1/16 B) 3/16 C) 3/8 D) 1/2 E) 9/16 10) Bacteria grown in 15N are placed in 14N media. After one round of replication, DNA is isolated and centrifuged in a CsCl gradient. Which of the following is expected? a. Two bands are present, one with the same density as 15N DNA and one that is halfway between the 15N and the 14N density. b. One band is present, halfway between the 15N and the 14N band. c. One band is present, three quarters of the way toward the 14N band. d.
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 11/19/2010 for the course BIOLOGY 93 taught by Professor O during the Spring '08 term at San Diego.

Page1 / 10

practice final - Final Exam Section E 1) Cyclin proteins...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online