Home
Explore
Exams
Search for anything
Login
Get started
Home
Science
Biology
Bio DNA Part 1
0.0
(0)
Rate it
Studied by 0 people
Learn
Practice Test
Spaced Repetition
Match
Flashcards
Card Sorting
1/14
Earn XP
Description and Tags
Biology
9th
Add tags
Study Analytics
All
Learn
Practice Test
Matching
Spaced Repetition
Name
Mastery
Learn
Test
Matching
Spaced
No study sessions yet.
15 Terms
View all (15)
Star these 15
1
New cards
DNA is composed of…
4 types of nucleotides
2
New cards
DNA is a long _____ __composed of__ ________ called nucleotides
polymer, monomers
3
New cards
Each nucleotide as _____ parts
3
4
New cards
What are the three parts?
Phosphate group, deoxyribose, nitrogen-containing base
5
New cards
How did Erwin Chargaff change thinking?
By analyzing the DNA in different organisms
6
New cards
All DNA found in any organism has…
the same 4 bases
7
New cards
What was different about the 4 bases from organism to organism?
The proportions
8
New cards
A+____,C+____
t, g
9
New cards
what is Chargaff’s Rule?
A=T, C=G
10
New cards
Who developed accurate model of DNA’s 3-dimentional structure?
Watson and Crick
11
New cards
Who were the first scientists to suggest the DNA had a helical shape?
Rosalind Franklin and Maurice Wilkins
12
New cards
DNA is a…
Double Helix
13
New cards
DNA strands are…
complimentary
14
New cards
Nucleotides always pair in…
the same way
15
New cards
Covalant bonds connect…
the sugar of one nucleotide to the phosphate of another