Chapter 1.4 DNA and the production of proteins Flashcards Preview

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Flashcards in Chapter 1.4 DNA and the production of proteins Deck (14)
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1
Q

Chromosomes are made up of regions called

A

genes

2
Q

DNA is a complex substance that forms

A

the genes of all living organisms.

3
Q

DNA carries the genetic information, which is information for making

A

proteins

4
Q

The shape DNA molecule is a

A

double-stranded helix

5
Q

Each strand of DNA is a chain carrying molecules called

A

bases

6
Q

There are four different types of bases and they are

A

Adenine, Thymine, Guanine and Cytosine

7
Q

The strands of the DNA helix are held by

A

bonds between bases on each strand

8
Q

The bases bond together to form

A

complementary base pairs.

9
Q

Base A only pairs with

A

base T

10
Q

Base G only pairs with

A

base C

11
Q

The sequence of bases A,T,G and C make up the

A

genetic code

12
Q

The base sequence of a specific gene determines the

A

amino acid sequence in the specific protein to be assembled.

13
Q

Proteins are assembled at

A

ribosomes in the cell cytoplasm

14
Q

Messenger RNA (mRNA) is a molecule that carries a

A

complementary copy of the code from the DNA in the nucleus to a ribosome.