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Biology Unit 1 Review Flashcards | StudBud
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Biology Unit 1 Review
Biology Unit 1 Review
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1
Atoms are made of of what 3 particles?
Electrons, Neutrons, and Neutrinos
Protons, Neutrons, and Bosons
Protons, Electrons, and Quarks
Electrons, Protons, and Neutrons
2
What type of chemical bond results from shared electrons?
Covalent
Hydrogen
Ionic
Communal
3
Prokaryotes are always unicellular.
False
True
4
What is true about RNA?
Single Stranded
Missing an Oxygen on its sugar
A pairs with T
Can function as an enzyme
5
What is the function of fats for living organisms?
catalyze metabolic reactions
long term energy storage
short term energy storage
store hereditary information
6
This picture would be an example of a(n) __________.
Prokaryote
Eukaryote
7
What is an example of a prokaryotic cell?
Plants
Bacteria
Fungi
Animals
8
This picture below would be an example of a(n)
Eukaryote
Prokaryote
9
This polysaccharide is the storage sugar for plants.
chitin
starch
cellulose
glycogen
10
Identify the macromolecule in the image below.
carbohydrate
lipid
nucleic acid
protein
11
Organic compounds:
Contain carbon along with hydrogen and oxygen
Contain carbon and water
Contain no carbon
Contain oxygen and hydrogen
12
An unknown molecule contains nucleotides with a sugar and a phosphate group. It is likely what?
carbohydrate
lipid
protein
nucleic acid
13
14. Because of its polarity, water…
Can easily go up the plant to reach the top of the plant
sticks easily to other surfaces
can dissolve other polar molecules (salt, sugar, etc.)
can form drops
14
11. What property of water allows it to form drops?
Polarity
Adhesion
Cohesion
Surface Tension
15
An ionic bond is formed when:
Mr Muller dances on stage at an assembly
One atom loses and electron, and another gains it
Hydrogen and oxygen form weak electrostatic connections
Two atoms share electrons
16
How many amino acids are there?
9
20
250
18
17
A cell has the following: Nucleus, Ribosomes, Chloroplast. It would be a ________.
Prokaryote
Eukaryote
18
What is a basic monomer of a carbohydrate?
Glucose
Glucose and Fructose
Glycogen
Fructose
19
DNA is composed of
nucleotides
nucleus
sugars like glucose
glycerols
20
Which of the following is NOT a representation of proteins in biology?
glucose
hemoglobin
insulin
enzymes
21
The image below shows a polymer of glucose molecules. What type of macromolecule is this?
lipid
protein
nucleic acid
carbohydrate
22
Animals are an example of a eukaryote.
True
False
23
Water is an:
Organic molecule
Inorganic molecule
24
This polysaccharide makes of plant cell walls.
starch
chitin
cellulose
glycogen
25
This polysaccharide makes up the exoskeletons of insects and arthropods.
starch
cellulose
glycogen
chitin
26
Saturated fats
all of these
come from animals
cause heart issues
are solids
27
Which of the macromolecules contain nitrogen?
nucleic acids and proteins
proteins only
proteins and lipids
nucleic acids only
28
This is the main component of the bilipid cell membranes.
fatty acids
phospholipids
steroids
glycerol
29
What are the 4 types of organic compounds?
Water, Vitamins, Minerals, Proteins
Carbon, Hydrogen, Oxygen, and Nitrogen
Carbohydrate, Lipid, Protein, and Nucleic Acid
Carbohydrate, Lipid, Protein and Water
30
What does unicellular mean?
No cells
One cell
Two cells
Many cells
31
Shape is key to
structure
function
disease
to the door
32
A cell has the following: Cell Membrane, DNA, Ribosomes. It would be a _________.
Eukaryote
Prokaryote
33
13. If a molecule is polar, it means that…
It has a positive end and a negative end
It can dissolve ANYTHING
It can stick to other things
It bonds to oil well
34
Which monomer matches the polymer?
Fatty acid and glycerol - carbohydrates
DNA & RNA - protein
Glucoses- protein
Fatty acid and glycerol - lipid
35
Which of the following is a characteristics that ALL cells have?
Flagella
Mitochondria
Nucleus
Cell Membrane
36
What is NOT true about DNA?
Double Stranded
C pairs with G
A pairs with U
Missing an Oxygen on sugar
37
Hydrogen bonds are formed when hydrogen bonds with:
Hydrogen, Oxygen or Carbon
Nitrogen, Hydrogen or Carbon
Carbon, Oxygen or Fluorine
Fluorine, Oxygen or Nitrogen
38
Which type of lipid forms the primary structure of the cell membrane?
cholesterol
triglycerides
phospholipid
wax
39
What does multicellular mean?
Two cells
No cells
Many cells
One Cell
40
This polysaccharide is the storage sugar for animals in the liver and muscle cells.
chitin
starch
cellulose
glycogen
41
What is the monomer of proteins?
amino acids
nucleotide
monosaccharides
phospholipids
42
Carbon is ideal for organic compound formation because:
It can form 4 chemical bonds
It can bond easily with any other atom
It is not abundant in nature
It can form 2 chemical bonds
43
What type of macromolecule is shown in the image below?
nucleic acid
lipid
protein
carbohydrate
44
What is a molecule?
A combination of 2 atoms of the same element
A combination of compounds
The simplest form of matter
A combination of 2 or more elements
45
Which of the following is NOT a characteristic that ALL cells have?
Cytoplasm
Nucleus
Ribosome
DNA
46
All living things are made up of cells
True
False
47
12. What property of water would allow a droplet to stick to a leaf
Adhesion
Cohesion
Surface Tension
Polarity
48
What is the basic monomer of a protein?
Ribose
Amino Acid
Glucose
Glycerol
49
This type of RNA serves as a message to bring the protein making instructions to the ribosome.
mRNA
tRNA
snRNA
rRNA
