False 1.DNA and RNA are proteins.T/F DNA and RNA are nucleic acids
True 2.DNA is a polymer. T/F
True 3.As a class of organic molecules, DNA is a nucleic acid.T/F
4.List the three parts of a nucleotide monomer:
SUGAR: a 5-carbon (pentose) sugar, deoxyribose in DNA, ribose in RNA
5.Draw a nucleotide monomer
19 6.If
a short DNA polymer is 20 nucleotides long, how many condensation synthesis
reactions were required to build the chain?
True 7.Genes are carried on the DNA molecule.T/F
True 8.Genes carry a code for building proteins.T/F
False 9.This code specifies the sequence of sugars specific for that specific protein. amino acids
10.Of the three parts of a nucleotide monomer, which can vary? nitrogenous bases
4 11.How many different kinds of monomers can DNA contain?
12.What are the names of these variable parts?
adenine, thymine, cytosine, guanine
True 13.A gene is a nucleotide sequence that codes for a specific protein. T/F
False 14.DNA is single (double)stranded, and RNA is a double (double)stranded helix.T/F
True 15.DNA sequences of identical twins, as well as clones, are identical, except for the occasional mutation. T/F
True 16.A child inherits two copies of each gene; one copy from the mother and one copy from the father.T/F
c. 50% 17.A child's DNA will match with its mother's DNA
a.100%
b.90%
c.50%
d.0%
e.100% if it is a female child, and 0% if it is a male child.
18-23.Label the following in the above figure.Circle the appropriate item, draw a line and write the name of the item at the end of the line.
- a single nucleotide
- a nucleotide pair
- a hydrogen bond
- a phosphate functional group
- a pentose (5-carbon) sugar named "deoxyrobose"
Label the nucleotide sequence of the right strand, if the left strand's sequence is AGGG.
24.In the figure below, the top left strand starts with a T followed by a G, etc.Write the base sequence (genetic code) of this single strand by following it down the double helix to the bottom.
Sequence: TGACTGGTCAACT (Also, it looks like several base pairs are hidden where the
26 (32 if 6 base pairs are hidden) 25.How many nucleotide monomers were required to synthesize the DNA molecule shown above?