Electron transport chains in the cells of various prokaryotic species can function in the presence of: a) O2 b) CO32- c) SO42- d) NO3- e) All of the above.

The process by which messenger RNA codes for the synthesis of a specific protein is called: a) replication b)  transcription  c)  translation  d)  gene regulation Which statement is true about prokaryotes? A)  they have no chromosomes   b)  they have chromosomes, but they are not membrane bound   c)  they have membrane bound chromosomes  d)  their chromosomes are made of RNA rather than DNA In a eukaryotic cell, most ATP is made in which location? A)  nucleus   b)  mitochondria  C)  cytoplasm   d)  golgi apparatus

Which is NOT true of eukaryotic cells? A) A true nucleus contains the DNA in the form of chromosomes. B) Eukaryotic cells contain membrane-bounded compartments or organelles. C) Their DNA employs a nucleoid area to produce proteins D) They all contain mitochondria E) They contain many organelles in the cytoplasm.

In eukaryotes, fatty acids are stored as triglycerides in cells that have A) Golgi that store fatty acids B) too little atp C) Lysosomes that synthesize glycogen from excess glucose D) Liposomes that contain an enzyme that performs dehydration synthesis E) mRNA that makes amino acids in to fat Explain why

What is the function of DNA? A) Stores chemically coded, heritable information in an organism B) Transfers genetic information from the nucleus to the cytoplasm C) Activates enzymes from inactive states under specific conditions D) Lowers the activation energy of important chemical reactions E) Serves as a barrier to the environment in the cell membrane

1. The energy required for ______________  reactions comes from _______________ reactions.   a) anabolic; catabolic b) catabolic; anabolic c) anabolic; anabolic d) catabolic; catabolic   2. Which is not a phase of mitosis?   a) Prophase b) Interphase c) Metaphase d) Anaphase e) Telophase   3. Endoplasmic reticulum, mitochondria, and Golgi apparatus are all examples of   a) cells b) organelles c) cytosol d) mitosis

Which is not true of Eukaryotic cells? A) A true nucleus contains DNA in the form of chromosomes B) Eukaryotic cells contain membrane-bounded compartments or organelles C) Their Dna employs a nucleoid area to produce proteins D) Thye all contain mitochondria  E) They contain specialized organelles in the cytoplasm Explain why

Which of these amino acids is NOT a common attachment point for sugars in glycoproteins? A)  Gly   b)   Ser   c)   Thr   d)  Asn In I-cell disease defective proteins are mislabeled which should be delivered to which organelle? A)   nucleus   b)   mitochondria   c)  rough endoplasmic reticulum   d)   lysosome A glycoprotein involved in red blood cell production is: a)  hemagglutinin   b)  erythropoietin     c)   p-glycoprotein    d)   cytochrome c

A mutation of Lysine 82 (in the DPG-binding pocket) to Arginine in beta sub-unit will most likely result in  a) Not enough information b) Normal binding to oxygen c) Higher than normal binding affinity to oxygen d) Lower than normal binding affinity to oxygen

In prokaryotes, after the ribosomes completes a synthesis, one would expect to find a) a new protein molecule to appear in the nucleus, b) new DNA inside the cell nucleoid, c) an increase in the amount of protein (enzyme) in the cytoplasm, d) ribosome binding to DNA, e) none are possible.