WorksheetsBio Review 2
Total questions: 24
Worksheet time: 13mins
Name
Class
Date
1.
a change in the nucelotide-base sequence of a gene or DNA molecule
a)
nucleotide
b)
DNA
c)
RNA
d)
mutation
2.
a cell organelle composed of RNA and protein; the site of protein synthesis
a)
nucleotide
b)
protein
c)
ribosome
d)
RNA
3.
in a nucleic-acid chain, a sub unit that consists of a sugar, phosphate, and a nitrogen base
a)
DNA
b)
Nucleotide
c)
Ribosome
d)
Mutation
4.
a molecule that is present in all living cells and that plays a role in PROTEIN production. Is single stranded and acts a temporary copy of the DNAs message
a)
DNA
b)
RNA
c)
nucleotide
d)
mutation
5.
Not present in RNA
a)
adenine
b)
uracil
c)
thymine
d)
cytosine
6.
Single Straded
a)
DNA
b)
RNA
7.
What is the name of the stretch of DNA where RNA polymerase binds?
a)
operator
b)
promoter
c)
enhancer
d)
origin
8.
The lac operon genes only become expressed if:
a)
lactose binds to the repressor
b)
glucose binds to the repressor
c)
lactose binds to the operator
d)
the repressor binds to the operator
9.
In Griffith's experiment DNA from S strain bacteria caused R strain bacteria to be transformed.
a)
True
b)
False
10.
What did Erwin Chargaff conclude from his experiments?
a)
Nitrogen bases are held together by peptide bonds
b)
A and T, C and G always occur in equal amounts
c)
Proteins are the carriers of genetic information
d)
C and G rarely occur in eukaryotic organisms
11.
What was Watson and Crick's main scientific accomplishment?
a)
Building the first accurate model of DNA
b)
Isolating strains of pneumonia causing bacteria
c)
Determining base pairing rules
d)
Discovering the process of genetic transformation
12.
If Chargaff found that a sample of DNA has 20% ADENINE, how much GUANINE would he have determined to be there?
a)
30%
b)
20%
c)
80%
d)
60%
13.
How did Rosalind Franklin's photo 51 affect the work of Watson and Crick?
a)
It was used to determine the physical structure of DNA
b)
It was used to identify the four bases that make up DNA
c)
It was used to determine the theory of independent assortment
d)
It was used to show DNA was the molecule of inheritance
14.
Who was responsible for the experiment depicted by the image/data table?
a)
Oswald Avery, et. al.
b)
Watson and Crick
c)
Erwin Chargaff
d)
Frederick Griffith
15.
This domain is characterized by ancient bacteria that can live in extreme environments, such as volcanoes.
a)
Archaea
b)
Bacteria
c)
Eukarya
d)
Prokarya
16.
This kingdom is made up of multicellular, heterotrophic, eukaryotes like chordates, mollusks, echinoderms, annelids, arthropods, and cnidarians.
a)
Plantae
b)
Eubacteria
c)
Animalia
d)
Fungi
17.
Which kingdom are mosses, ferns, conifers, and flowering plants a part of?
a)
Archaebacteria
b)
Plantae
c)
Animalia
d)
Protista
18.
What is classification?
a)
organizing things into groups according to shared characteristics
b)
making a list of organisms
c)
the process of identifying different types of animals
d)
the study of animals
19.
Which organisms are closely related?
a)
Equus ceballas (horse) & Equus burchellii (zebra)
b)
Cyanea artica (jellyfish) & Asterias rubens (sea star)
c)
Naja naja (cobra) & Crotalus atrox (rattlesnake)
d)
Alligator mississippiensis (alligator) & Crocodylus porosus (crocodile)
20.
The taxon (group) with the largest amount of organisms grouped together is
a)
species
b)
phylum
c)
genus
d)
domain
21.
Who first proposed binomial nomenclature as a way of classifying organisms?
a)
Carl Linneaus
b)
Charles Darwin
c)
Albert Einstein
d)
Francis Crick
22.
The science of classifying and naming organisms is
a)
taxonomy
b)
grouping
c)
anatomy
d)
evolution
23.
The wildcat's scientific name is Felis silvestris. What taxonmic levels do the scientific name include?
a)
genus & species
b)
phylum & genus
c)
kingdom & phylum
d)
class & species
24.
The 8 levels of classification, from most broad to most specific, are
a)
Domain, Genus, Family, Order, Class, Phylum, Kingdom, Species
b)
Domain, Species, Kingdom, Genus, Phylum, Family, Class, Order
c)
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
d)
Order, Kingdom, Species, Domain, Phylum, Family, Class, Genus
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