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E Period M1-3 Questions Flashcards | StudBud
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E Period M1-3 Questions
E Period M1-3 Questions
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1
What does the structure of a carbohydrate look like?
curved chains
double helix
straight chains
Ring-shaped
2
The scientific method is gathering observations, information produced by experiments, and measurable theories
False
True
3
What are proteins composed of?
N and S
H, O, N, and sometimes S
C, H, and O
C, H, O, N, and sometimes S
4
What is an independent variable?
a factor that stays the same
the manipulated variable
a group that is not tested
a variable that depends on something
5
What is NOT an example of a carbohydrate?
lactose
glucose
fructose
fats
6
What is a dependent variable
factor that changes as a result of changes made in the independent variable
subjects that are not tested during the investigations
The variable that is manipulated in an experiment
The group that serves as the standard of comparison.
7
What is cytoplasm most similar to?
ice
ocean
ashton
jello salad
8
A cell is the smallest unit of structure and function within an organism
True
False
9
What is the function of enzymes?
To build amino acids, increasing the amount of cells in a protein
Synthesize the hemoglobin
a biological catalyst, increasing the rate of a biochemical reaction
Slowing the rate of the biochemical reactions
10
What is the soft, semi-permeable structure on the outside of the cell?
plasma membrane
cell wall
cytoplasm
mitochondria
11
What organic compound makes up DNA?
Nucleic fluids
Acidic nucleus
Nucleic acids
Nucliec acids
12
In RNA, what does uracil bond to?
thymine
guanine
cytosine
adenine
13
What are the monomers of lipids?
Fatty acids and Diglycerides
Glycerol and diglycerides
Diglycerides and triglycerides
glycerol and fatty acids.
14
What is the monomer of carbohydrates?
Nucleotides
Fatty acids
monosaccharides
amino acids
15
What is the monomer of nucleic acids?
nucleotides
carboxyn group
threonine
nucleolus
16
As a cell develops, the surface area increases more than the volume
True
False
17
What is the primary function of ribosomes within the cell?
Make little cell babies
What is a ribosome
Make proteins
Mitosis
18
Why is carbon essential to life on Earth?
D: all of them above
B: form organic molecules
C: carry out life process
A: make up organisms
19
Which of the following is not a macromolecule?
carbohydrates
proteins
lipids
amino acids
20
A hypothesis is a probable explanation based on evidence that can be tested
False
True
21
Which of these is not a characteristic of life?
maintain homeostasis
Produce energy
have complex chemistry
are built of structures called cells
22
What are the steps of the scientific method?
experiment, hypothesis, question, analysis, conclusion, observation
Question, research, experiment, hypothesis, analysis, observation
Question research hypothesis, experiment, observation, analysis, conclusion
Conclusion, analysis observation experiment, hypothesis, research, question
23
A cell's shape determines its function
True
False
24
which one is not one a carbohydrate?
glucose
glycogen
cholesterol
starches
25
What are controlled variables
a variable or an element which is held constant throughout an experiment
An independent variable
a factor that can change over the course of an experiment.
A dependent variable
26
What is homeostasis
A type of car
Process of cell division
A hypothesis made by Issac Newton
Maintaining a stable inner environment
27
batceria is prokaryotic cell
True
False
28
What is the function of proteins?
Form tissues
All of the above
Provide cells with energy
Speed up chemical reactions throughout the body
29
What type of cell is usually single cell?
eukaryotic
prokaryotic
30
An experiment is a test that is used to eliminate one or more of the possible hypotheses until one hypothesis remains
False
True
31
Which of these is not a component ina nucleotide?
adenosine triphosphate
a base
a phosphate group
a sugar
32
What makes up proteins?
antibodies
hemoglobin
enzymes
Amino Acids
33
Which is NOT a function of a cell?
metabolism
reproduction
digestion
energy production
34
What does a functional group do?
D. Allows four electrons available to form covalent chemical bonds
A. Determine the nature and functions of organic compounds
B. Bind with a wide variety of other elements
C. Carries chemical reaction where the water breaks a chemical bond.
