<<<<< Elscores <<<<<>>>>> 20/08/2024 08:06>>>>
McCance Pathophysiology Chapter 4 summary
Questions and Correct Answers
Genes are composed
✓ ~: DNA
genes are located on
✓ ~: chromosomes
The most important constituent of DNA is the four types of nitrogenous bases, which are
labeled
✓ ~: A, C, G, T
DNA bases code for
✓ ~: amino acids, therefore making proteins
amino acids in DNA are specified by
✓ ~: Triplet codons of nitrogenous bases
DNA replication is based on
✓ ~: complementary base pairing
DNA polymerase is the primary enzyme involved in
✓ ~: replication
It adds bases to the new DNA strand and performs
, <<<<< Elscores <<<<<>>>>> 20/08/2024 08:06>>>>
"proofreading" functions
A mutation is
✓ ~: an inherited alteration of genetic material
Substances that cause mutations are
✓ ~: mutagens
The mutation rate in humans
✓ ~: ranges from 10-4 to 10-7 per gene, per generation
What is the difference between RNA and DNA?
✓ ~: -RNA is single stranded and DNA is double stranded
-RNA also has uracil instead of thymine
transcription and translation
✓ ~: - occurs in the nucleus where the mRNA takes a copy of DNA
- occurs in the cytoplasm with the help of ribosomes
- purpose is to produce proteins throughout the body ; DNA codes for that
Transcription is
McCance Pathophysiology Chapter 4 summary
Questions and Correct Answers
Genes are composed
✓ ~: DNA
genes are located on
✓ ~: chromosomes
The most important constituent of DNA is the four types of nitrogenous bases, which are
labeled
✓ ~: A, C, G, T
DNA bases code for
✓ ~: amino acids, therefore making proteins
amino acids in DNA are specified by
✓ ~: Triplet codons of nitrogenous bases
DNA replication is based on
✓ ~: complementary base pairing
DNA polymerase is the primary enzyme involved in
✓ ~: replication
It adds bases to the new DNA strand and performs
, <<<<< Elscores <<<<<>>>>> 20/08/2024 08:06>>>>
"proofreading" functions
A mutation is
✓ ~: an inherited alteration of genetic material
Substances that cause mutations are
✓ ~: mutagens
The mutation rate in humans
✓ ~: ranges from 10-4 to 10-7 per gene, per generation
What is the difference between RNA and DNA?
✓ ~: -RNA is single stranded and DNA is double stranded
-RNA also has uracil instead of thymine
transcription and translation
✓ ~: - occurs in the nucleus where the mRNA takes a copy of DNA
- occurs in the cytoplasm with the help of ribosomes
- purpose is to produce proteins throughout the body ; DNA codes for that
Transcription is
