Answer these 500+ Cell Biology MCQs and assess your grip on the subject of Cell Biology. Scroll below and get started!
A. Polypeptides; sugars
B. Nucleotides; amino acids
C. Bases; polypeptides
D. Nucleoli; amino acids
A. Red, green
B. Green, red
C. Red, blue
D. Blue, red
A. Arterioles ... venules
B. Into the right atrium
C. Arterial pressure during heart contraction ... arterial pressure during heart relaxation
D. Liters of blood pumped per minute
A. Lower electron affinity
B. Greater electron affinity
C. Greater oxygen-binding ability
D. Lower oxygen-binding ability
A. Inter
B. Thym
C. Lymph
D. Spleno
A. 2
B. 3
C. 1
D. 4
A. A photograph of all the chromosomes in a single cell from an individual
B. Asexual reproduction and mitosis
C. Division of the cytoplasm to create two cells
D. Physically connects homologous chromosomes during prophase I
A. 1
B. 2
C. 4
D. 5
A. Water, carbon dioxide.
B. Oxygen, water.
C. Oxygen, carbon dioxide.
D. Carbon dioxide, oxygen.
E. Carbon dioxide, water.
A. The nonfunctional unit of skeletal muscle
B. The area between two Z discs
C. The area between two intercalated discs
D. The wavy lines on the cell seen in the microscope
A. By the transfer of a phosphate group from a fragment of the glucose to ADP (Substrate-level phosphorylation)
B. Substrate-level phosphorylation
C. Mitochondria
D. Mitochondrial matrix
A. Has an additional stage in meiosis (meiosis I, meiosis II, and meiosis III)
B. Is unable to undergo mitosis
C. Is unable to undergo normal meiosis
D. Produces offspring with an even number of chromosome sets (for example, tetraploid, hexaploid)
A. Cristae
B. Nine; twenty
C. Outer membrane
D. Intermembrane space
A. Oxygen
B. Water
C. Cytosol
D. ATP
A. Multiplication of body cells
B. Genetic diversity
C. Four haploid cells
D. Genetic diversityasexual reproduction and mitosis
A. Is an organic catalyst
B. Is a source of energy for endergonic reactions
C. Is a inorganic catalyst
D. Increases the EA of a reaction
E. Can bind to nearly any molecule
A. Fertilization
B. Mitosis
C. Chromosome exchange between organisms of different species
D. Meiosis
A. Homologous or sister chromatids
B. Nonhomologous chromosomes
C. Daughter cells
D. Homologous or nonsister chromatids
A. Positive
B. Chemical
C. Negative
D. Intermediate
E. Substrate
A. Protoplasm
B. Cytoplasm
C. A plasma membrane
D. Bright-field microscope
E. Specialized cells
A. Developmental fate of each embryonic cell is determined very early
B. Retain the capacity to develop into a complete embryo
C. Evolution of the Hox gene complex provided developmental flexibility.
D. Proteins that play key roles in how animal cells attach to one another
A. Incorporating CO2 into RuBP
B. Running the Calvin cycle at night
C. Growing very deep roots
D. Keeping their stomata closed at night
E. Opening their stomata only at night
A. Traps heat that has been radiated from Earth similar to the way the glass of a greenhouse traps heat
B. The absorption of carbon dioxide by plants and the ocean increases
C. Decomposition of detritus
D. The concentration of toxin can more than double at each level of the food chain.
A. Catabolic
B. Metabolic
C. Anabolism
D. All of these
A. Stroma, cristae
B. Photosynthesis, mitochondria
C. Thylakoid membranes, matrix
D. Protein synthesis, lysosomes
A. Identical copies of each other if they are part of the same chromosome
B. The sister chromatids are pulled apart toward opposite sides of the cell.
C. Cells of benign tumors do not metastasize; those of malignant tumors do
D. Regulate the cell cycle through a variety of stop and go signals
A. The Golgi apparatus
B. Chloroplasts
C. Photosystems
D. Photosynthetic
A. They can fix carbon at the lower CO2 concentrations that develop when the stomata are closed
B. Can continue to fix CO2 even at lower CO2 concentrations and higher oxygen concentrations
C. The Calvin cycle has three phases: carbon fixation, reduction, and regeneration of RuBP.
D. Plants are classified as producers because they fix inorganic carbon into organic molecules.
A. The mitotic spindle breaks down.
B. Division of the cytoplasm
C. Separation of the sister chromatids
D. Identical copies of each other if they are part of the same chromosome
A. Ammonium ... nitrogen gas
B. Nitrates ... nitrogen gas
C. Nitrogen gas ... nitrites
D. Nitrogen gas ... ammonium
A. Telophase
B. Prophase
C. Interphase
D. Anaphase
A. Haploid gametes ... diploid zygote
B. Occurs in both mitosis and meiosis
C. They can activate and inactivate certain genes.
D. The mitotic spindle would not form.
A. Prophase II
B. Diploid
C. Anaphase I
D. Anaphase II
E. Prophase I
A. Glucose is oxidized and there is net production of ATP
B. Glucose is oxidized and there is net hydrolysis of ATP
C. Glucose is reduced and there is net hydrolysis of ATP
D. Glucose is reduced and there is net production of ATP
A. Anaphase II
B. Anaphase
C. Homologous
D. Crossing over, independent assortment
A. Have two nuclei
B. Chromosomes line up in the middle of the cell
C. Seek early detection of tumors
D. Prophase, metaphase, anaphase, telophase (PMAT)
A. H2O, CO2
B. H8O, CO2
C. H2O, CO98
D. H2O, CO102
A. Carbon dioxide; oxygen
B. Sugar; oxygen
C. Oxygen; water
D. Carbon dioxide; sugar
E. Water; carbon dioxide
A. The loss of electrons from one substance is called reduction
B. Electrons are lost from one substance and added to another substance
C. Protons from one molecule replace the electrons lost from another molecule
D. A substance that gains electrons is said to be oxidized
E. None of the above
A. Oxidized
B. Recycled
C. Reduced
D. Produced
A. Sunlight and nutrient availability
B. Water and nutrient availability
C. The availability of time and nutrients
D. None of the above
A. ATP
B. Glucose
C. Cristae
D. Chlorophyll
A. ATP
B. ADP
C. Both
D. None of these
A. Peptidoglycan.
B. Dependent upon
C. Brown alga.
D. Actinomycetes
E. Methanogens
A. Hydrogen
B. Electron
C. ATP
D. Hydrogen and electron
E. None of the choices is correct.
A. Short chains of double-bonded carbon molecules; vitamins, cofactors, and storage
B. Long, unbranched hydrocarbon chains with a carboxyl group at one end; building
C. Four-ringed hydrocarbon molecules; key components of membranes
D. Short chains of double-bonded carbon molecules; storage lipids
E. Short chains of double-bonded carbon molecules; vitamins and cofactors
A. Oxidation of NADH to NAD+
B. Production of ethanol
C. Production of lactic acid
D. Use of oxygen as an electron acceptor
A. Ensure that cancer does not occur.
B. Genetically identical to the parent cell
C. No, because the cancerous cells have spread throughout the body.
D. Intestinal tract and skin cell replacement.
A. 4
B. 8
C. 16
D. 20
A. 8
B. 4
C. 6
D. 5