Biology: DNA and RNA

 Definitions and terms for this chapter. Level: grade 12, South African Curriculum

Note: Sorry if mistakes occur, I do not study in English. :)

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  • Created by: Jeantelle
  • Created on: 21-06-11 17:48
The monomers of DNA or RNA are...
nucleotides
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The liquid inside of the cell nucleus is called ...
nucleoplasm
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The name of a small, dense, round body in nucleus of cell, consists of DNA and rRNA and is important for creating ribosomes.
nucleolus
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The ... is a mass of chromatin strings that make up chromosomes.
chromatin network
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Long strings in the nucleus that contain the genetic information of the cell are called ...
chromosomes
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A normal body cell is also called a ... cell.
somatic
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A ... is a part of the DNA-molecule that controls a specific property and also contains the information that determines the structure and function of the cell.
gene
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The nitrogenous bases cytosine, thymine and uracil are called ... bases.
pyrimidine
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The nitrogenous bases adenine and guanine are called ... bases.
purine
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A ... is a reaction where hydrogen molecules break away and this reaction occurs when nitrogen bases bind.
condensation reaction
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The structure of DNA:
double helix
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A segment of DNA that codes for a certain protein is called ...
exon
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A segment of DNA that does not code for a certain protein is called ...
intron
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The process where an exact copy of DNA is produced from existing DNA is ...
DNA-replication
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... is a phase in the life cycle of a cell when (Answer 15) takes place
interphase
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The main enzyme that helps bind nucleotides during DNA-replication is called ...
DNA polymerase III
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A lot of monomers form a ...
polymer
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... are proteins responsible for controlling metabolic reactions in cells.
enzymes
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... are chemical 'messengers' carried in blood to regulate bodily processes.
hormones
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The step in protein synthesis where mRNA is formed from DNA is called ...
transcription
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The step in protein synthesis where RNA produces proteins is called...
translation
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A chain made up of amino acids is called a .... and binds through ...
polypeptide ; peptide bonds
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The full name for DNA is ...
deoxyribonucleic acid
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Other cards in this set

Card 2

Front

The liquid inside of the cell nucleus is called ...

Back

nucleoplasm

Card 3

Front

The name of a small, dense, round body in nucleus of cell, consists of DNA and rRNA and is important for creating ribosomes.

Back

Preview of the front of card 3

Card 4

Front

The ... is a mass of chromatin strings that make up chromosomes.

Back

Preview of the front of card 4

Card 5

Front

Long strings in the nucleus that contain the genetic information of the cell are called ...

Back

Preview of the front of card 5
View more cards

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