Exam 3 note cards Flashcards
(22 cards)
In this process, DNA is transcribed to form RNA
Transcription
In this process, RNA is translated to form polypeptide chains
Translation
Carries protein-building instructions from the genes
Messenger RNA
Major component of ribosomes
Ribosomal RNA
Translates from nucleotides to amino acids
Transfer RNA
How is Transcription like DNA Replication?
Nucleotides added in 5’ to 3’ direction
T or F The genetic code is redundant (i.e. Twenty kinds of amino acids are specified by 61 codons).
True
T or F DNA represents the genetic material
True
T or F A binds to C & G binds to T
False
Each nucleotide on a DNA molecule consists of deoxyribose, a phosphate group, and a ____________ containing base.
nitrogen
T or F During DNA replication, both halves of the new DNA molecule are “new”
False
T or F DNA polymerase attaches complementary nucleotides during DNA replication
True
T or F The goal of all cell division is to create new, fully functional cells.
True
Duplicated chromosomes begin to condense
Prophase
All chromosomes are lined up at the spindle equator
Metphase
Sister chromatids of each chromosome are pulled apart
Anaphase
Chromosomes decondense
Telophase
A chromosome consists of a __________ molecule and attached proteins.
DNA
DNA replication occurs during which stage of interphase?
G2
The cell cycle has a built-in molecular brake during which stage?
G1
Meiosis consists of _________ consecutive rounds of nuclear divisions
two
T or F Meiosis I involves the separation of the sister chromatids.
False
