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9 Week Exam 4
9 Week Exam 4
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#biology
Flashcards
70 cards
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Practice quiz
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Host live
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Questions
70
Answers
1
A ____ is formed when two atoms share one or more pairs of electrons.
Ionic bond
Hydrogen bond
Polar bond
Covalent bond
2
What is the difference between a prokaryote and a eukaryote?
plasma membranes
the need for nutrients
membrane-bound organelles
cell walls
3
__________, concentration of substances outside of the cell is higher than inside of the cell.
Hypotonic solution
Hypertonic solution
Isotonic solution
Dynamic equilibrium
4
All abiotic and biotic factors in a small forest form a(n)
Population
Biosphere
Ecosystem
Community
5
______________: Limiting factors, such as disease, parasites, or food availability
Life history pattern
Density independent factors
Exponential growth
Density dependent factors
6
A cell's genetic material is contained in the _____________.
plasma membrane
nucleus
unicellular bacteria
phospholipid bilayer
7
Which is an example of a density-dependent limiting factor?
A drought
The amount of food available
An avalanche
A flood
8
Bacteria that require ____________ for respiration are called _____________.
food--obligate saprophytes
oxygen--obligate aerobes
oxygen--obligate anaerobes
hydrogen--archaebacteria
9
____: Branching diagram that models the phylogeny of a species
Pedigree
Dichotomous key
Cladogram
Field guide
10
A transport protein helps move particles across the membrane WITH the concentration gradient.
Exocytosis
Active transport
Endocytosis
Passive transport
11
_____________: Study of population characteristics
Age structure
Doubling time
Demography
Life history pattern
12
What happens to a cell during interphase?
The cell grows in size and carries on metabolism.
Chromatin coils up into visible chromosomes.
The sister chromatids separate.
Two daughter cells are formed.
13
The nucleus of an atom is made of
protons and electrons
electrons and neutrons
protons, neutrons, and electrons
protons and neutrons
14
Each step in a food chain or web is called a ______.
biotic factor
demographic transition
taxon level
trophic level
15
A base _________.
combines with water to form an acid
forms hydroxide ions (OH-) in water
forms hydrogen ions (H-) in water
measures below pH 7
16
Membrane-bound organelles that transforms energy in all eukaryotic cells
mitochondria
vacuoles
endoplasmic reticulum
ribosomes
17
Which shows correct order from general to more specific?
Genus, phylum, class, order
Class, phylum, family, genus
Order, family, genus, species
Species, family, order, genus
18
RNA contains which bases?
Thymine, guanine, cytosine, uracil
Adenine, thymine, guanine, cytosine
Adenine, guanine, cytosine, uracil
Adenine, guanine, cytosine, uridine
19
______________: Factors, such as temperature, storms, floods, drought, or habitat disruption
Density independent factors
Carrying capacity
Life history pattern
Density dependent factors
20
A virus consists of
Proteins, cell membrane and RNA
RNA and DNA and a protein coat
RNA or DNA and a protein coat
RNA or DNA and a cell membrane
21
A stable, mature community that undergoes little or no change in species over time.
Climax community
Succession
Limiting factor
Tolerance
22
In humans, a male has
one X chromosome only
one X chromosome and one Y chromosome
two Y chromosomes
two X chromosomes
23
Process of creating diploid cells
Meiosis
Osmoisis
Mitosis
Diffusion
24
A limiting factor that has an increasing effect as population size increases is
drought
temperature
competition
habitat disruption
25
Which correctly shows a scientific name if: species name = "rosa" and the genus name = "alba"?
alba rosa
Rosa alba
Alba rosa
rosa alba
26
One difference between cell division in plant cells & in animal cells is that plant cells have
centrioles
centromeres
chromatin
a cell plate
27
One of the differences between bacteria and viruses is that
viruses are prokaryotic and bacteria are eukaryotic
viruses are living and bacteria are non-living
bacteria are living and viruses are nonliving
viruses are biotic and bacteria are abiotic
28
What type of bacteria causes disease?
decomposers
pathogenic
lactobacillus acidophilus
bioremediation
29
What moves needed substances or waste materials through the plasma membrane?
polar heads
water molecules
transport proteins
DNA
30
Vesicles that digest worn-out organelles or food particles are called ____________.
ribosomes
plasma membranes
centrioles
lysosomes
31
An ionic bond is most likely to form between:
two negatively charged ions
a negatively and a positively charged ion
two uncharged atoms.
two positively charged ions
32
Organelles that are the site of protein synthesis
vacuoles
lysosomes
ribosomes
microtubules
33
The single factor that is altered in an experiment is the__________.
Independent variable
Dependent variable
Control
Hypothesis
34
________: Branch of biology that groups & names organisms based on their shared characteristics
Cladistics
Classification
Phylogeny
Taxonomy
35
How do viruses reproduce?
inserting DNA into the host cell
they divide by mitosis
replication outside the host
sexually, by external fertilization
36
_________: The number of organisms of one species that an environment can support indefinitely.
Life history pattern
Exponential growth
Doubling time
Carrying capacity
37
As you move up the energy pyramid, what happens to the amount of energy?
It doubles
Stays the same
Increases
Decreases
38
Unlike mitosis, meiosis results in the formation of
four genetically identical cells
two genetically different cells
four genetically different cells
two genetically identical cells
39
What do we call the table used to calculate the probability of an offspring's genotype?
Punnett square
Fibonacci sequence
FOIL method
Venn diagram
40
Which of these shows the correct order of the phases of mitosis?
Prophase-Mitosis-Anaphase-Telophase
Prophase-Anaphase-Metaphase-Telophase
Telophase-Anaphase-Metaphase-Prophase
Prophase-Metaphase-Anaphase-Telophase
41
How a population changes in size over time is the
Growth rate
Fertility rate
Carrying capacity
Birthrate
42
What is the relationship between the number of protons and electrons in a neutral atom?
There are an equal number of protons and electrons.
There are twice as many neutrons as protons
There are twice as many electrons as protons.
There are twice as many protons as electrons.
43
When a solution has more hydrogen ions than hydroxide ions, it is considered ____
acidic
neutral
ionized
basic
44
The second energy level of an atom can hold a maximum of how many electrons?
18
8
24
2
45
Organisms like fungus that get their nutrients from dead and decaying organic matter are
Predators
Producer
Parasites
Decomposers
46
Having different alleles on each chromosome pair
Homozygous
Haploid
Diploid
Heterozygous
47
What are the basic building blocks of carbohydrates?
monosaccharides
fatty acids
nucleic acids
amino acids
48
The largest taxonomic category is the ______, & the smallest is the ________.
Species, kingdom
Species, kingdomGenus, species
Kingdom, species
Kingdom, genus
49
Any biotic or abiotic factor that restricts the numbers or reproduction of organisms.
Tolerance
Limiting factors
Primary succession
Climax community
50
Organelles that capture light energy and convert it to chemical energy
chromatin
nucleus
chloroplasts
mitochondria
51
__________ is when water diffuses across a selectively permeable membrane.
Diffusion
Endocytosis
Osmosis
Exocytosis
52
Meiosis results in _____.
4 haploid daughter cells
4 diploid daughter cells
2 diploid daughter cells
2 haploid daughter cells
53
Based on their names, you know
Papio annubis
and
Papio cynocephalus
do NOT belong to the same
Genus
Family
Order
Species
54
What do we call the result of the genotype (for example, the color of the peas)?
Physiotype
Phenotype
Visible traits
Genotype
55
The combination of alleles from each parent (such as AA, Aa, aa)
Phenotype
Haploid
Homozygous
Genotype
56
Simple units that make up nucleic acids, DNA and RNA
carbohydrates
nucleotides
monosaccharides
amino acids
57
The process by which organisms keep their internal conditions relatively stable is called
Ketosis
Evolution
Homeostasis
Metabolism
58
A group of prokaryotes that often live in extreme environments is the _____________.
Archaebacteria
Fungi
Protists
Eubacteria
59
A group of organisms of the same species living in the same place at the same time
a population
a community
an ecosystem
a biome
60
A group of two or more tissues organized to perform complex activities within an organism
Organ system
Cell
Organ
Tissue
61
Linnaeus based most of his classification system on ______________.
Cell organelles
Biochemical comparisons
Structural comparisons
Breeding behavior
62
If you need to acquire your food from another organism- you’re a(n)
Producer
Autotroph
Plant
Heterotroph
63
This type of research is based on observation.
Theory
Quantitative
Scientific methods
Qualitative
64
These prokaryotes are sphere-shaped.
cocci
capsule
bacilli
spirilla
65
Organic molecules that serve as the building blocks of proteins
lipids
nucleic acids
amino acids
carbohydrates
66
An animal like an elk that eats exclusively plants is a(n)?
Decomposer
Autotroph
Herbivore
Omnivore
67
In a pedigree, a circle represents a(an)
male
adult
female
child
68
Which type of macromolecule provides long-term storage of energy?
carbohydrates
proteins
nucleic acids
lipids
69
Atoms of the same element that have different numbers of neutrons are called ____.
neutrino elements
isotopes
molecules
compounds
70
A bee obtains nectar from a flower while pollinating the plant. This relationship is known as
Mutulism
Commensalism
Sapraphytism
Parasitism