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Cell Cycle/Chromosomes/DNA/RNA/Proteins QUIZ
w/ stated questions from wiki
31
Biology
10th Grade
02/04/2011

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Cards

Term
How many chromosomes does a human cheek cell have?
Definition
2 sets, so 46
Term
When are chromosomes visible?
Definition
When cell is splitting
Term
If a cell is not dividing how is DNA packaged?
Definition
Single strands of uncoiled chromatin
Term
Why do cells duplicate DNA before dividing?
Definition
Each new cell needs an exact copy of DNA
Term
Why do sperm and egg cells have only one set of chromosomes?
Definition
Sperm and egg both put in 23 to have the right amount for baby.
Term
Monomer of proteins?
Definition
Amino acids
Term
How many amino acids are there?
Definition
20
Term
How many amino acids are there that we don't make ourselves?
Definition
8
Term
What type of bond do amino acids make?
Definition
Peptide
Term
Smallest protein?
Definition
ADH (9aa)
Term
Why are proteins important?
Definition
They make up everything in our body besides water. Some hold us together, others help carry out specific functions.
Term
Monomer of Nucleic Acids?
Definition
Nucleotides, ACG, T or U
Term
Two Polymers of Nucleotides?
Definition
DNA, RNA
Term
Function of DNA?
Definition
Store genetic information
Term
Function of RNA?
Definition
makes copies, transfers copies out of nucleus, forms structure of ribosomes
Term
Major difference between DNA and RNA?
Definition
T becomes U
Term
Histones
Definition
what chromosomes build around during cell division
Term
Centromere
Definition
Where the 2 sister chromatids of a chromosome meet
Term
XX
Definition
Female
Term
XY
Definition
Male
Term
Homologous Chromosomes
Definition
A copy of each parent's autosome
Term
Diploid
Definition
2 sets of chromosomes, body cells
Term
Haploid
Definition
1 set of chromosomes, sex cells
Term
G1
Definition
longest, cell carries out normal functions, gap phase
Term
S-phase
Definition
Synthesis of DNA replication
Term
G2
Definition
Organelle replication
Term
M phase
Definition
can be mitosis or meiosis
Term
Interphase
Definition
G1, S-Phase, G2
Term
Chronology of cell cycle
Definition
G1, S-phase, G2, M Phase
Term
Proteins always have
Definition
Nitrogen
Term
We don't use proteins for energy, they provide...
Definition
the building blocks for more proteins that we need to keep our bodies running
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