Chapter 12 Biology CCA Practice Test
25 Questions
| Total Attempts: 323
It may be a tough subject to master, but biology is undoubtedly one of the scientific topics that cover the most relatable and important aspects of our lives – that which deals with nature and all living things. Have you got the topic down, or have you work to do? Let’s take a look.
Questions and Answers
- 1.What are coiled strands of nucleic acids that contain genetic information?
- A.
Nucleosomes
- B.
Chromosomes
- C.
Nucleotides
- D.
Codon
- 2.What are basic, beadlike units of DNA packaging in eukaryotes consisting of a segment of DNA wound around a protein core
- A.
Nucleosome
- B.
Chromosomes
- C.
Nucleotides
- D.
Codon
- 3.What are fundamental structural units of nucleic acids and are composed of a phosphate, a sugar and a nitrogenous containing base
- A.
Nucleosomes
- B.
Chromosomes
- C.
Nucleotides
- D.
Codon
- 4.What is a series of three bases?
- A.
Nucleosome
- B.
Chromosome
- C.
Nucleotide
- D.
Codon
- 5._____________ proposed 2 rules regarding DNA structure
- 6._____________ took x-ray diffraction picture
- 7.__________ discovered a transforming principle
- 8.__________ had series of experiments confirming that DNA was genetic material
- 9.__________ isolated DNA from fish sperm and the pus of open wounds and called it nuclein
- 10.__________ discovered that proteins often take the shape of an alpha helix, spiraling like a coil spring
- 11.____________ used Rosalind Franklin’s x-ray diffraction data to proposed the double helix structure of DNA
- 12.________ shared Rosalind Franklin’s x-ray diffraction with Watson without her permission
- 13.The chemcal composition of DNA has adenine, thymine, guanine, and cytosine
- A.
True
- B.
False
- 14.DNA is located in the cytoplasm
- A.
True
- B.
False
- 15.RNA is single stranded
- A.
True
- B.
False
- 16.RNA carries instructions for protein syntheis
- A.
True
- B.
False
- 17.DNA special product is transcription
- A.
True
- B.
False
- 18.What is the complement of AUG in RNA? (or anticodon)
- A.
UAC
- B.
TAC
- C.
CAT
- D.
CUA
- 19.How many of the 23 chromosomes are autosomes?
- A.
1
- B.
12
- C.
23
- D.
22
- 20.What is lack of pigmentation in skin, hair and eyes
- A.
Albinism
- B.
Tay-Sachs
- C.
Phenylketoneuria
- D.
Huntington's
- 21.Autosomal recessive resulting in degeneration of the nervous system
- A.
Tay-Sachs
- B.
Phenylketoneuria
- C.
Huntington's
- D.
Polydactyl
- 22.What is the monomer in nucleic acids?
- A.
Nucleotides
- B.
Amino acids
- C.
Sugar
- D.
All the above
- 23.What is the monomer in proteins?
- A.
Sugar
- B.
Base
- C.
Phosphate
- D.
Amino acids
- 24.What are components of the nucleic acid monomer?
- A.
Sugar
- B.
Base
- C.
Phosphate
- D.
All the above
- 25.Red blood cells collapse in?
- A.
Muscular dystrophy
- B.
Polydactyl
- C.
Sickle cell anemia
- D.
None of the above
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