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OnRamps Bio Exam 1 Review

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

This is a Bohr Diagram of Aluminum. How many valence electrons does Aluminum have?

a)

3

b)

4

c)

5

2.

How many valence electrons does Lithium (Li) have?

a)

8

b)

1

c)

5

d)

2

3.

When two atoms of the same element have different masses, they are called ______, and have a different number of ______.

a)

Neutrons; Isotopes

b)

Atoms; Isotopes

c)

Isotopes; Protons

d)

Isotopes; Neutrons

4.

What is the mass number of bromine?

a)

35

b)

45

c)

80

d)

115

5.
According to the octet rule most elements need _______ valence electrons.
a)
2
b)
8
c)
6
d)
18
6.

According to the diagram below, how many bonds will this atom be able to make?

a)
1
b)
2
c)
3
d)
4
7.
A diatomic molecule like O2 is always_______ because electrons are shared ________.
a)
nonpolar; equally
b)
polar; equally
c)
nonpolar; unequally
d)
nonpolar; unequally
8.
A bond with a partially negative end and a partially positive end is:
a)
ionic
b)
polar
c)
non-polar
d)
isometric
9.
In this Lewis structure, the symbol above F means...
a)
electrons are being transferred to Fluorine
b)
electrons are less attracted to F than H
c)
electrons are more attracted to F than H
d)
Fluorine has formed a cation
10.
How many electrons are represented by a single straight line in a Lewis structure?
a)
1
b)
2
c)
4
d)
6
11.
Electronegativity is a measurement of the ability of a nucleus to...
a)
attract bonding electrons
b)
attract other nuclei
c)
attract elenece in the non-valence energy levels
12.
In a polar covalent bond, electrons are shared ___________.
a)
equally
b)
unequally
c)
between non-metals with similar electronegativities
d)
between a metal and a non-metal
13.
A diatomic molecule like O2 is always_______ because electrons are shared ________.
a)
nonpolar; equally
b)
polar; equally
c)
nonpolar; unequally
d)
nonpolar; unequally
14.
Does H2O have hydrogen bonding?
a)
yes
b)
no
15.
Does CH4 have hydrogen bonding?
a)
yes
b)
no
16.

Attractions between the partially negative oxygen atom of one water molecule and the partially positive hydrogen atom of another water molecule are called

a)

Covalent bonds

b)

Ionic bonds

c)

Hydrogen bonds

17.

Carbon forms ________ bonds with other atoms by sharing electrons with the other elements.

a)

ionic

b)

covalent

c)

hydrogen

d)

peptide

18.

A __________ consists of many monomers bonded together.

a)

monomer

b)

hydrocarbon

c)

peptide

d)

polymer

19.

A _________ reaction removes a molecule of water to bond molecules together to create a polymer.

a)

hydrolysis

b)

water

c)

dehydration synthesis

d)

magical

20.

What type of reaction is shown?

a)

Dehydration synthesis

b)

Hydrolysis

21.

What functional group is shown?

a)

amino

b)

hydroxyl

c)

carboxyl

d)

sulfhydryl

22.

What functional group is shown?

a)

hydroxyl

b)

carboxyl

c)

methyl

d)

carbonyl

23.

What functional group is shown?

a)

carboxyl

b)

carbonyl

c)

hydroxyl

d)

amino

24.

What functional group is shown?

a)

carbonyl

b)

hydroxyl

c)

carboxyl

d)

amino

25.
a)

sulfhydryl

b)

hydroxyl

c)

amino

d)

phosphate

26.

What functional group is shown?

a)

carboxyl

b)

phosphate

c)

hydroxyl

d)

amino

27.

What functional group is shown?

a)

hydroxyl

b)

amino

c)

carboxyl

d)

sulfhydryl

28.

hydroxyl group

a)
b)
c)
29.

methyl group

a)
b)
c)
30.

carbonyl group

a)
b)
c)
31.

carboxyl group

a)
b)
c)
32.

amino group

a)
b)
c)
33.

phosphate group

a)
b)
c)
34.

sulfhydryl group

a)
b)
c)
35.

What are common ancestors?

a)

Common ancestors are individuals who are directly related to two or more other individuals.

b)

Common ancestors are individuals who are not directly related to any other individual.

c)

Common ancestors are individuals who are only related to one other individual.

d)

Common ancestors are individuals who are not related to each other.

36.

On the cladogram, which organism is the closest relative of the parrot?

a)

Frog

b)

Hare

c)

Caiman

d)

Parrot

37.

What is the common ancestor of Letters A, B, C, D, E?

a)

1

b)

2

c)

3

38.

What are the three domains of life?

a)

Animalia, Plantae, Fungi

b)

Archaea, Bacteria, Eukarya

c)

Kingdom, Phylum, Class

d)

Mammalia, Reptilia, Aves

39.

Which domain contains organisms with a nucleus?

a)

Eukarya

b)

Archaea

c)

Bacteria

40.

Which type of cell is found in archaea and bacteria?

a)

Prokaryote

b)

Eukaryote

41.

Which type of cell is smaller and simpler?

a)

Prokaryote

b)

Eukaryote

42.

Which type of cell do humans have?

a)

Prokaryote

b)

Eukaryote

43.

Which type of cell has DNA?

a)

Prokaryote

b)

Eukaryote

c)

Both

44.

Which type of cell has membrane bound organelles (such as mitochondria and vacuoles)

a)

Prokaryote

b)

Eukaryote

45.

Which domain is considered to be the oldest?

a)

Archaea

b)

Bacteria

c)

Eukarya

46.
The process to go from mRNA to a protein is called ____
a)
transcription
b)
rRNA
c)
replication
d)
translation
47.
The process to go from DNA to mRNA is _______
a)
translation
b)
transcription
c)
replication
48.
Genetic info flows in one direction. Which best represents this flow?
a)
DNA-protein-RNA
b)
Protein-RNA-DNA
c)
RNA-protein-DNA
d)
DNA-RNA-protein
49.
What is the location in the cell for transcription?
a)
nucleus
b)
cytoplasm
c)
ribosome
d)
mitochondria
50.

What is the location in the cell for translation?

a)

Cytoplasm

b)

Nucleus

c)

Lysosome

d)

Golgi apparatus

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