stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Bio 151 Exam 1 Flashcards | StudBud
Explore
/
Bio 151 Exam 1
What is not larger than a population?
Chemical Behavior is determined by what
Bio 151 Exam 1
70 terms
·
StudBud Administration
·
23 plays
Chapters 1-3
Flashcards
70 cards
F
Practice quiz
P
Host live
L
Questions
70
Answers
1
Chemical Behavior is determined by what
Atomic Number
Distribution of electrons
Number of electrons
Number of protons and neutrons
2
What is not larger than a population?
Community
Ecosystem
Organisms
Biosphere
3
What is adhesion?
Attraction between different polar molecules
A measure of how hard it is to break the surface of a lipid
Tight bonding of water or same molecules
Rise of water in porous spaces
4
Electrons interact with each other
False
True
5
Radioactive Isotopes decay spontaneously
False
True
6
What is the goal of science
Understand natural phenomena
To gain knowledge
Apply scientific knowledge for specific purpose
To be smart
7
What does our body need less than 0.1% of?
Water
Cells
Trace Elements
Atoms
8
An electron's attraction strength is measured by what?
Octet Rule
Chemical Bonds
Covalent
Electronegativity
9
Main energy for producers
Light Energy
Matter
Potential
Energy
10
Solvents dissolves solutes
True
False
11
Ice is more dense than water
True
False
12
A reactant leads to a product
True
False
13
Sum of all chemical reactions within organisms
Metabolism
Nucleotide
Matter
Sythesis
14
Ionic bonds are an attraction between a positive and a negative
False
True
15
All cells have the following EXCEPT...
DNA
Rhibosomes
Mitochondria
Cell Membrane
16
In RNA, Adenine matches to Uracil
False
True
17
The dissolving agent
Solution
Solute
Solvent
Aqueous Solution
18
Tissue is smaller than organelles
True
False
19
Valence Electrons are the closest electrons to the nucleus
True
False
20
Which is an example of a Prokaryote?
Plant
Archaea
Animal
Bacteria
21
Noble gasses...
Are unstable
Need electrons
Are very reactive
Are inert
22
What is the normal pH of blood?
8.4
5.4
7.4
6.4
23
A Bottom-Up Organization means small to large
True
False
24
DNA > Transcribed > mRNA > Translated > Protein
False
True
25
Guanine matches to...
Adenine
Thymine
Cytosine
Uracil
26
What does Science mean?
To know
To be smart
To learn
To do
27
Polar bonds are the strongest chemical bonds in the body
True
False
28
Archaea are very common
False
True
29
Chemistry is the study of....
Chemicals
Matter
Cells
Elements
30
An acid has more hydrogen
True
False
31
Cation is negative
True
False
32
Offspring will receive half of their genes from each parent
False
True
33
Water has a higher specific heat than most fluids
True
False
34
Species must be able to reproduce the same thing
True
False
35
Lipids have hydrophilic heads
False
True
36
Moderation of Temperature means water can absorb/release a large amount of heat
True
False
37
What is cohesion?
Rise of water in porous spaces
Attraction between different polar molecules
A measure of how hard it is to break the surface of a lipid
Tight bonding of water or same molecules
38
Which is the smallest unit?
Deca
Milli
Micro
Deci
39
Oxygen is NOT an example of matter
True
False
40
A Theory is an educated guess
True
False
41
What is classifying species into groups?
Sorting
Taxonomy
Biology
Chemistry
42
What is the only single-celled domain?
Fungi
Plantae
Animalia
Protista
43
Which of the following is NOT a domain?
Bacteria
Archaea
Eukarya
Prokarya
44
Which of these is caused by the others?
Capillary Action
Adhesion
Cohesion
Surface Tension
45
Prokaryotes are more complex than Eukaryotes
True
False
46
What is the most basic unit of life?
Nucleus
Charge
Proton
Cell
47
Polar molecules dissolve non-polar molecules
False
True
48
Anything that can cause change or work
Energy
Matter
Light Energy
Potential
49
Ion is a change in the number of neutrons
False
True
50
What kind of electrons can form a bond?
Shared Non-Valence Electrons
Shared Valence Electrons
Non-Shared Non-Valence Electrons
Non-Shared Valence Electrons
51
What cannot be broken down to smaller substances?
DNA
Elements
Cells
Nucleus
52
A change in the number of this leads to a different element
Protons
Cells
Electrons
Neutrons
53
Which receives an extra proton?
Hydrogen Ion
Hydroxide Ion
Helium Ion
Hydronium Ion
54
All compounds are molecules
False
True
55
Carbon has an atomic number of what?
3
6
5
4
56
What is the desire for atoms to fill the valence shell?
Chemical Behavior
Chemical Bonds
Orbital Rule
Octet Rule
57
Which is the largest?
Ecosystem
Biosphere
Community
Population
58
All cells have the same DNA except for...
Brain Cells
Animal Cells
Plant Cells
Sex Cells
59
Carbon-11 has how many neutrons?
5
7
6
4
60
What is true about a colloid?
Something else
Dissolves in water
Floats in water
Sinks in water
61
What is NOT true about hydrogen bonds?
Strong individually
Stabilizes complex molecules
Gain strength in numbers
Hydrogen atoms interact with other partial negative atoms
62
Qualitative is based on descriptions
False
True
63
How many pairs of chromosomes does one person have?
2.3
46
23
35
64
Nitrogen has an atomic number of what?
9
8
6
7
65
What is an aqueous solution?
Water is the solution
Water is the solvent
Something
Water is the solute
66
Water is an example of what? (Best Choice)
Ionic
Polar
Covalent
Liquids
67
A codon makes up how many nucleotides?
2
4
1
3
68
Positive Feedback means you get a "positive" reaction
False
True
69
What is Biology?
Study of Life
Study of Animals
Study of Plants
Study of Chemicals
70
What are the two components of a valid hypothesis?
Theory and Scientific Method
Testable and Falsifiable
Experiment and Conclusion
Right and Wrong
