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Biology Exam 1
Terms in this set (50)
are composed of glycerol and 3 fatty acids
occurs in ribosomes
Plants use glucose to make all of the following except
Cellular respiration occurs in
A membrane protein that binds a signal molecule is a
Prokaryotic cells contain which of the following?
The cell bilayer membrane is formed by
In mitosis, sister chromatids are pulled apart during
activate transcription in the nucleus
Mitochondria are present in
plant and animal cells
Cellular respiration requires
glucose and oxygen
When chromosomes form, DNA wraps around proteins called
Which of the following molecules are hydrophobic?
A cell that has DNA, ribosomes, mitochondria, and other organelles could be from
a plant or an animal
Which of the following is a product of cellular respiration and a requirement for photosynthesis?
Plants store glucose as
chromosomes line up along the middle of the cell
The M checkpoint of the cell cycle occurs
during cell divison
Both prokaryotic and eukaryotic cells contain which of the following?
A codon consists of
tRNA binds to
a mRNA codon
Amino acids are delivered to ribosomes by
glucose and oxygen
The smallest unit of biological organization that can perform all activities required for life
Which of the following structure : function relationships is incorrect?
The energy currency of cells is
What are the basic "building blocks" of proteins?
Carbon dioxide is a lipid-soluble gas with a lower concentration outside of the cell. It...
will move into the cell by simple diffusion
DNA is packaged into chromosomes during
In the cell, motor proteins move vesicles along
The genetic code codes for
Which of the following is a monosaccharide?
A normal cell that does not pass the G1 checkpoint,
In the cell cycle, DNA is synthesized during
Most cancers are caused by
Damaged cell parts are broken down in
Plaque build-up in arteries can result from a diet high in
DNA is copied to make mRNA
Chloroplasts are found in
plant cells only
Cellular respiration produces
carbon dioxide and glucose
In a cell, ribosomes are located
rough ER and in the cytoplasm
Which of the following statements correctly describes the relationship between
photosynthesis and cellular respiration?
Photosynthesis stores energy in glucose molecules, and cellular respiration transfers the energy to ATP
All of the following are true about DNA except
exists the nucleus through nuclear pores
Unsaturated fatty acids
have bent chains
tRNA has a(n) ____________ at one end and binds a(n) __________ at the other end
anticodon, amino acid
Which of the following molecules has a hydrophilic "head" region and hydrophobic "tail"
When molecules enter a cell by passive transport,
they move from a higher to lower concentration
Sister chromatids are pulled to opposite sides of the cell by
Which of the following require(s) ATP energy?
Only active transport
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