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Basic Biological Principles & The Chemistry of Life Flashcards | StudBud
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Basic Biological Principles & The Chemistry of Life
Basic Biological Principles & The Chemistry of Life
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Keystone Prep
Flashcards
25 cards
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Practice quiz
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Questions
25
Answers
1
How do monomers form polymers?
cellular repsiration
dehydration synthesis
photosynthesis
rehydration synthesis
2
Which organelle is considered the "power house" that energizes the cell?
lysosome
ribosome
nucleus
mitochondria
3
Which of the following is not a characteristic of water in living things?
diffuses through osmosis
acts as a solvent
transports other water molecules
creates hydrogen bonds
4
What are chemical reactions in organisms called?
mitosis
metabolic processes
protein synthesis
DNA replication
5
Which of the following is a function of proteins in cells?
ability to catalyze metabolic reactions
provide structure to tissues and bones
ability to transport materials into the cell
ability to communicate genetic information
6
Which process allows prokaryotic cells to divide?
mitosis
binary fission
meiosis
interphase
7
Which structural components are related to why prokaryotes are smaller than eukaryotes?
membrane bound DNA
free floating DNA
lack of organelles surrounded by membranes
protein manufacturing ribosomes
8
Which membrane bound organelle holds genetic information in eukaryotic cells?
mitochondria
lysosome
nucleus
plasma membrane
9
Which of the following are buiding blocks of proteins?
nucleotides
fatty acids
amino acids
lipids
10
Which three elements contribute to the structure of both carbohydrates and proteins?
carbon, hydrogen, and oxygen
carbon, hydrogen, and nitrogen
carbon, oxygen, sodium
carbon, phosphorus, oxygen
11
Which statement describes the affect of low density of frozen water in a lake?
Water removes thermal energy which causes the lake to freeze
Frozen water contracts and decreases water level
Frozen water floats insulating animals below
Frozen water freezes at the bottom and kills animals
12
What stabilizes the plasma membrane?
cholestrol preventing fatty acids from sticking together
transport proteins allowing nutrients to enter
polar phospholipid bilayer
cell transport
13
Which four elements make up more than 96% of the mass of the human body?
sulfur, nitrogen, phosphorus, oxygen
carbon, hydrogen, oxygen, phosphorus
protein, carbon, hydrogen, carbohydrates
carbon, hydrogen, nitrogen, oxygen
14
Which two cell structures are common in both prokaryotes and eukaryotes?
cell wall and chloroplast
plasma membrane and nucleus
plasma membrane and cytoplasm
cell wall and nucleus
15
Which of the following macromolecules store genetic information in the form of a code?
carbohydrates
proteins
nucleic acids
lipids
16
Which functional characteristic of proteins distinguishes them from carbohydrates?
storage of usable energy
large amounts of stored information
ability to catalyze biochemical reactions
tendency to make cell membranes hydrophobic
17
Which charateristic is shared by all prokaryotic and eukaryotic cells?
use of organelles to control cell processes
abillity to store hereditary information
use of cell respiration to release energy
ability to move in response to environmental stimuli
18
Which of the following describes continuous movement but no overall concentration change?
dynamic equilibrium
diffusion
concentration gradient
genetic equilibrium
19
Which of the following is true of all living things?
all living things need energy
all living things respond to environmental stimuli
all living things sleep
all living things are made of cells
20
How does carbon's ability to form four bonds make it unique to form macromolecules?
it forms covalent bonds with other carbon atoms
it forms short simple carbon chains
it forms large diverse carbon molecules
it forms covalent bonds existing on single planes
21
Which is true of plant and animal cells?
both are large
presense of plastids
division of cells through mitosis
both are enclosed by a thin, flexible membrane
22
Which structural component of the plasma membrane allows water to enter freely through osmosis?
fatty acid tails
cholesteral channels
phospholipid head
embedded proteins
23
Which is a monomer of carbohydrates?
proteins
monosaccharides
amino acids
nucleotides
24
Which of the following units did we not cover this year in biology?
theory of evolution
genetics and heredity
biological molecules
cellular respiration and photosynthesis
25
What kind of bond is formed between sodium and chlorine?
hydrogen
energy
covalent
ionic
