biology 1 {b1} DNA Flashcards
DNA (21 cards)
What does DNA stand for?
Deoxyribonucleic acid
True or False: DNA is a single-stranded molecule.
False
Fill in the blank: The structure of DNA is often described as a __________.
double helix
What are the four nucleotide bases found in DNA?
Adenine, Thymine, Cytosine, Guanine
Which base pairs with Adenine in DNA?
Thymine
What is the primary function of DNA?
To store and transmit genetic information
True or False: DNA replication is a conservative process.
False
What enzyme is responsible for unwinding the DNA double helix during replication?
Helicase
What is the name of the process by which DNA is copied to RNA?
Transcription
In which part of the cell does DNA reside?
Nucleus
What is the complementary DNA strand to the sequence ACGT?
TGCA
What term describes different forms of a gene?
Alleles
Fill in the blank: The backbone of the DNA molecule is made up of __________ and phosphate.
sugar
What type of bond holds the base pairs together in DNA?
Hydrogen bonds
True or False: DNA can be found in both prokaryotic and eukaryotic cells.
True
What is the role of DNA polymerase?
To synthesize new DNA strands during replication
What is the term for the specific location of a gene on a chromosome?
Locus
Which scientist is known for discovering the structure of DNA?
James Watson and Francis Crick
What is the process by which proteins are synthesized from RNA?
Translation
Fill in the blank: DNA is organized into structures called __________.
chromosomes
True or False: The sequence of nucleotides in DNA determines the traits of an organism.
True
