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Bio I Review - Unit 1 Flashcards | StudBud
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Bio I Review - Unit 1
Bio I Review - Unit 1
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Chapters 1-3
Flashcards
28 cards
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Questions
28
Answers
1
Which of the following molecules are classified as carbohydrates?
sugars
fats
nucleotides
amino acids
2
A scientific theory is
unchangeable
absolutely certain and never questioned.
a controlled experiment.
revised as new evidence is presented.
3
An enzyme
is used up in a reaction.
lowers the activation energy of a reaction.
bonds with an active site on a substrate molecule.
raises the activation energy of a reaction.
4
What do the initials GIS stand for?
genetic improvement survey
geological inference standard
geographic information system
global investigation society
5
One meter is equal to
0.001 km.
10 km.
10 cm.
1,00 mm.
6
A substance that is composed of only one type of atom is called a(n)
molecule
compound
element
cell
7
The bond formed when two atoms share a pair of electrons is called a(n)
covalent bond.
hydrogen bond.
ionic bond.
water bond.
8
An agent that causes a disease is called a(n)
pathogen
epidemic
copepod
cholera
9
Which of the following would scientists use to prevent contamination in an experiment?
light microscope
electron microscope
remote collection of data
sterile technique
10
Filtering contaminated water through a sari is
a low-tech solution to reducing cases of cholera.
an ineffective way to reduce cases of cholera.
the best way to prevent the spread of cholera.
another factor that causes cholera to spread rapidly.
11
A scientist noticed the number of salamanders in Rocky Mountains was declining. This was a(n)
observation
theory
control
hypothesis
12
The application of a biological structure or process to solve design problems is called
decoding
biomimetics
cloning
adaptation
13
Biology is the study of
minerals
weather
energy
life
14
Which of the following do scientists not use to support ideas?
experiments
investigations
opinions
evidence
15
A planned procedure to test a hypothesis is called a(n)
control
prediction
variable
experiment
16
he process by which organisms make more of their own kind is called
growth
reproduction
metabolism
heredity
17
All the genetic material contained in an individual or a species is called its
genetic code.
genome
epidemiology
DNA fingerprint.
18
Nonpolar molecules have
both negative and positive ends.
no negative or positive ends.
only a negative end.
only a positive end.
19
DNA stores
fat
carbohydrates
hereditary information.
energy
20
Acidic solutions have a pH that is
less than 7.
between 7 and 14.
more than 7.
a negative number.
21
The law of conservation of energy states that energy cannot be
created or destroyed in a chemical reaction.
taken from the surroundings in a reaction.
released into the surroundings in a reaction.
changed from one form to another.
22
Children tend to resemble their parents due to
heredity
responsiveness
metabolism
homeostasis
23
Ionic bonds form between particles that have
opposite charges.
no charges.
the same charge.
neutral charges
24
One of the most important tools in preventing the spread of disease is
giving vaccinations.
DNA fingerprinting.
computer modeling.
genetic engineering.
25
Which of the following qualities do fingerprints and DNA fingerprints have in common?
refer to traits of the human hand
ease of use in an investigation
part of an extensive FBI database
unique to an individual
26
All matter is composed of
cells
carbon
molecules
atoms
27
As a characteristic of living things, homeostasis relates to the following biological themes?
evolution
stability
interacting systems
scale and structure
28
A hypothesis is a
proven statement.
concluding statement.
testable possible explanation of an observation.
definite answer to a given problem.
