BCH190
Quiz # 2 on lectures 3, 4, and including Chapter 2
1. Difference occurs in the sequence of long chain molecules and becomes information in biological organisms. ‘Life’ assembles itself into chains:
(A) of RNA
(B) all of the answers are correct
(C) of DNA
(D) of protein
(E) none of these answers are correct
2. Which of the following foods is not a significant source of complex carbohydrates?
(A) fresh fruit
(B) rice
(C) pasta
(D) oatmeal
(E) all of the above are significant sources of complex carbohydrates
3. The order that best represents size from the smallest to the largest biological entities is:
(A) all answers are correct
(B) Ribosomes-Mitochondria-Nuclei-Cells-Tissues
(C) Organelles-Tissues-Organs-Organism-Species
(D) Atoms-Molecules-Chain Molecules-Molecular- Structures-Organelles-Cells
(E) Cells-Tissues-Organs-Individual
4. The major contributions to the discovery of the DNA double helix structure over fifty years ago, although not all were recognized by the Nobel prize Committee were made by:
(A) Darwin and Mendel
(B) Miller and Lamarck
(C) Watson and Crick
(D) Watson and Hoagland
(E) Watson, Crick, Wilkins, and Franklin
5. Which of the following nucleotide bases are present in equal amounts in DNA?
(A) adenine and cytosine
(B) thymine and guanine
(C) adenine and guanine
(D) thymine and cytosine
(E) adenine and thymine
6. All of the following are features of RNA except:
(A) a sugar-phosphate-sugar-phosphate backbone
(B) a coiled double-stranded structure
(C) a different type of sugar than is found in DNA
(D) an ability to direct protein production
(E) a different type of base than is found in DNA
7. An example of chain molecules would be?
(A) cells
(B) oxygen molecules
(C) proteins
(D) mitochondria
(E) aspirin
8. Prokaryotic cells:
(A) are complex creature and usually do not live in diverse and extreme environments
(B) lack a membrane bound
1. Difference occurs in the sequence of long chain molecules and becomes information in biological organisms. ‘Life’ assembles itself into chains:
(A) of RNA
(B) all of the answers are correct
(C) of DNA
(D) of protein
(E) none of these answers are correct
2. Which of the following foods is not a significant source of complex carbohydrates?
(A) fresh fruit
(B) rice
(C) pasta
(D) oatmeal
(E) all of the above are significant sources of complex carbohydrates
3. The order that best represents size from the smallest to the largest biological entities is:
(A) all answers are correct
(B) Ribosomes-Mitochondria-Nuclei-Cells-Tissues
(C) Organelles-Tissues-Organs-Organism-Species
(D) Atoms-Molecules-Chain Molecules-Molecular- Structures-Organelles-Cells
(E) Cells-Tissues-Organs-Individual
4. The major contributions to the discovery of the DNA double helix structure over fifty years ago, although not all were recognized by the Nobel prize Committee were made by:
(A) Darwin and Mendel
(B) Miller and Lamarck
(C) Watson and Crick
(D) Watson and Hoagland
(E) Watson, Crick, Wilkins, and Franklin
5. Which of the following nucleotide bases are present in equal amounts in DNA?
(A) adenine and cytosine
(B) thymine and guanine
(C) adenine and guanine
(D) thymine and cytosine
(E) adenine and thymine
6. All of the following are features of RNA except:
(A) a sugar-phosphate-sugar-phosphate backbone
(B) a coiled double-stranded structure
(C) a different type of sugar than is found in DNA
(D) an ability to direct protein production
(E) a different type of base than is found in DNA
7. An example of chain molecules would be?
(A) cells
(B) oxygen molecules
(C) proteins
(D) mitochondria
(E) aspirin
8. Prokaryotic cells:
(A) are complex creature and usually do not live in diverse and extreme environments
(B) lack a membrane bound