Flashcards in Worksheets Deck (16)
Loading flashcards...
1
DNA backbone is made of ( )
Sugar and phosphate
2
four types of bases
Guanine/Cytosine
Adenine/Thymine
3
DNA monomer
1 sugar, 1 phosphate, 1 base
4
Adenine is directly bonded to ( )
Thymine/sugar
5
Each sugar is bonded to ( )
1 base, two phosphates
6
Each phosphate is bonded to ( )
Two sugars
7
There are ( ) of bases in one gene
Thousands
8
When DNA duplicates it splits between the ( ). These halves become the ( ) of each chromosome.
Base pairs, chromatids
9
( ) grabs and inserts new bases during DNA replication.
DNA polymerase
10
Mitosis is the division of the ( ).
Nucleus
11
Within each chromatid is a long ( ) molecule wrapped around packaging proteins.
DNA
12
Chromosomes line up ( ) filed during mitosis.
Single
13
We use mitosis when we ( ).
Grow and repair injury
14
We use meiosis when we ( ).
Make sex cells
15
I’m meiosis I chromosomes line up ( ) field.
Double
16