Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password

Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.

Nucleic Acids Test

Enter the letter for the matching Definition
incorrect
1.
mRNA
incorrect
2.
three
incorrect
3.
tertiary
incorrect
4.
hyperchromicity
incorrect
5.
topoisomerase 1
incorrect
6.
nucleotide
incorrect
7.
histone proteins
incorrect
8.
rRNA
incorrect
9.
uracil
incorrect
10.
positively
incorrect
11.
linear
incorrect
12.
two
incorrect
13.
nucleotides
incorrect
14.
primary
incorrect
15.
topoisomerase
incorrect
16.
DNA
incorrect
17.
nucleoside
incorrect
18.
32
incorrect
19.
double helix
incorrect
20.
tRNA
A.
this structure of nucleic acids is the supercoiling
B.
directs amino acid sequence of proteins; contains the genetic information from DNA (genes); is translated into a polypeptide sequence (protein or an amino acid polymer)
C.
genes are composed of ____
D.
consist of a nitrogen base, a monosaccharide, & at least one phosphate
E.
DNA is _____ in eukaryotes & contained within chromosomes
F.
histones are _____ charged proteins; rich in the basic amino acids lysine and arginine
G.
the pyrimidine nitrogen bases in RNA are ____ and cytosine
H.
each base toasted by ____ degrees compared to the next provides for maximum base pairing
I.
2 anti-parallel DNA strands coiled around the same axis (spiral staircase) this is the secondary structure
J.
A-T has ____ hydrogen bonds
K.
transports amino acids to site of protein synthesis; intramolecular hydrogen bonding between A-U and G-C occurs in the sections of _____; "cloverleaf structure"
L.
is the increase of absorbance (optical density) of a material. The most famous example is that of DNA that occurs when the DNA duplex is denatured
M.
a nucleoside (base and ribose) with a phosphate group
N.
enzymes that control the supercoiled state of DNA are ________
O.
cuts the phosphodiester backbone of ONE strand, passes the end through, and reseals the strand
P.
this structure of nucleic acids is the order of the bases
Q.
a nitrogen base & a ribose sugar
R.
G-C has ____ hydrogen bonds
S.
H2A, H2B, H3, & H4 (there are two of each)
T.
FOUND IN RIBOSOMES, the site of protein synthesis
Type the Term that corresponds to the displayed Definition.
incorrect
21.
cuts BOTH strands, passes some of the remaining DNA helix between the cut strands, and reseals; gets rid of 2 coils at a time
incorrect
22.
a structural unit of a eukaryotic chromosome, consisting of a length of DNA coiled around a core of histones
incorrect
23.
B-DNA is a *right-handed* helix (point thumb up, DNA winds ____ in direction fingers are pointing)
incorrect
24.
the ordered arrangement of nucleic acid strands
incorrect
25.
this structure of nucleic acids is the DNA/ protein interactions
incorrect
26.
the sugar-phosphate backbone is _______ (primary structure)
incorrect
27.
a complex of DNA wound around histones in a bead-like structure
incorrect
28.
DNA and RNA are polymers of ______
incorrect
29.
_______ bonds hold the two DNA strands together
incorrect
30.
this structure of nucleic acids is the 3-D conformation of the polynucleotide backbone

edit
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how
Created by: oliviarees95
Popular Biochemistry sets