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BISC 160 - Test 1
BISC 160 - Test 1
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1
Membrane proteins called pumps move ions _____________ their concentration gradient and require energy.
with
against
2
To make a cell less sensitive to a signal, the cell
will increase the number of receptors for that signal.
will reduce the number of receptors for that signal.
3
Proteins can be broken into their individual monomers called _____________ _____________.
amine
polypeptides
amino acids
nucleic acids
4
_____________ create compartments inside of cells or organelles.
cholesterol
organs
fats
membranes
5
Living things use molecules from the environment to synthesize _____________ _____________.
biological macromolecules
environmental macromolecules
ribonucleic acid
biome molecules
6
Forming a gradient requires _____________.
energy
no energy
7
_____________ is the term used to describe how living things regulate their internal environment.
homeostasis
translation
aerobic metabloism
phylogeny
8
I do not need to study for this exam because it is open note.
True
False
9
The goal of an experiment is to:
falsify the null hypothesis
prove that your hypothesis is correct
collect the most data
falsify a theory
10
Which of the following is not one of the six major elements found in all living things?
Nitrogen
Carbon
Hydrogen
Calcium
11
Biological macromolecules include proteins, nucleic acids, carbohydrates and _____________.
peptides
lipids
cholesterol
amino acids
12
Which are the two main lineages of prokaryotes that diverged early in life's history?
Fungi and Plants
Archaea and Plants
Animals and Bacteria
Bacteria and Archaea
13
What type of bonds or interactions are directly involved in forming the tertiary structure of a protein?
covalent bonds
ionic bonds
hydrogen bonds
hydrophobic interactions
14
When following the scientific method, before speculating and asking a question one must first make a/an:
experimental plan
prediction
hypothesis
observation
15
The chloroplast of the plant cell is green
Qualitative
Quantitative
16
The rare African horn toad contains 15mL of poison in its blood stream
Quantitative
Qualitative
17
The study of biology is...
unreplicable science because life is ever evolving
a branch of psuedoscience
a collections of guesses about the world
important to the understanding of the effects of human act on the environ
18
Which biological macromolecules are formed from long chains of monomers joined together one after another?
Proteins
Polysaccharides
Phospholipids
Triglycerides
19
T or F: The importance of a phylogeny is to illustrate the relationship between common ancestors and shared features
True
False
20
Living things extract _____________ from their external environment.
genes
energy
mutations
organs
21
How many electrons are being shared in a C=C double bond?
2
4
6
1
22
Dr. Joe summarized his measurements in a bar graph and a table. This represents which stage of the scientific method?
making a prediction
analyzing results
creating a hypothesis
repeating the experiment
23
Scientific explanations for a natural phenomenon...
are based on opinions of scientists
are based on reproducible and quantifiable observation
24
T or F: Atoms - molecules - marcomolecules - tissues - organisms...
True
False
25
If and then statements can be part of the _______ part of the scientific method
Data
Hypothesis
Observations
Prediction
26
In a phylogeny, a common ancestor is represented by...
the tips
the lineage
the nodes
the individual
27
Triglycerides are a form of lipid that can be broken into _____ and _____.
amino acids
fatty acids
glycerol
nucleic acids
28
The poison frog has 8 spots along its spine
Quantitative
Qualitative
29
Which is not a characteristic of life?
Have common chemical parts
Create Energy
Exist in populations that evolve
Share genetic information
30
Which is not a characteristic of life?
Individuals evolve
Made of cells
Homeostasis
Convert environmental molecules to biological molecules