Which type of transport moves molecules from a high concentration to a low concentration and requires a channel (transport) protein?

a) Simple Diffusion

b) Facilitated Diffusion

c) Osmosis

d) Active Transport

Cell Membranes

a) Are semipermeable

b) Are impermeable

c) Only allow molecules in, not out

d) Only allow molecules out, not in

A cell containing a 5% salt solution is placed in a 10% salt solution. Which solution is hypertonic?

a) The intracellular 5% salt solution

b) The extracellular 10% salt solution

c) Pure Water

d) Can't determine

How will water diffuse when a cell containing a 5% salt solution is place in a 10% salt solution?

a) It will not defuse

b) By active transport

c) Into the cell

d) Out of the cell

The process by which large amounts of molecules are released from the cell through a vesicle is called?

a) Isotonicity

b) Endocytosis

c) Exocytosis

d) Osmosis

Which of the following processes can occur in the absence of oxygen?

a) The citric acid cycle

b) Glycolysis

c) Electron transport chain

d) All of the above

The vast majority of the ATP molecules produced within a cell are produced during?

a) Photosynthesis

b) Glycolysis

c) The Citric Acid Cycle

d) The Electron Transport Chain

Which of the following produces no ATP?

a) Glycolysis

b) Citric Acid Cycle

c) Fermentation

d) Electron Transport

Where does glycolysis take place?

a) Cell cytoplasm

b) Mitochondrial Matrix

c) Mitochondrial inner membrane

d) Chloroplast

Lactic acid, ethanol, and carbon dioxide are all products of? 

a - mitosis

b- glycolysis

c - fermentation

d - electron transport

the purpose of fermentation is to (blank).

a - produce ATP

b - recycle NADH

c - Produce glucose

d - absorb light

in which step of glucose breakdown is the carbon dioxide you breath out produced?

a - glycolysis

b - photosynthesis

c - citric acid cycle

d - electron transport

the breakdown of glucose into pyruvic acid is called -blank-.

a - glycolysis

b - fermentation

c - the citric acid cycle

d - electron transport

which of the following occurs in the mitochondria?

a - photosynthesis

b - glycolysis

c - the citric acid cycle

d - fermentation

in glycolysis and the citric acid cycle NADH is produced. NADH is a(n)?

a - photosynthetic pigment

b - phospholipid

c - reactant

d - electron carrier

photosnthesnthetic organisms are also known as?

a - producers

b - consumers

c - decomposers

d - fungi

what is the ultimate purpose of photosynthesis?

a - produce ATP

b - produce oxygen

c - produce NADPH

d - produce glucose

sunlight energy necessary for the light reaction of photosynthesis is captured by groups of chlorophyll molecules called (blank) located in the (blank) of the chloroplast.

a- mitochondria; stroma

b- carbon dioxide; Calvin cycle

c- photo-systems; thylakoids

d- chlorophyll; DNA

which of the following is made during the light reactions of the photosynthesis is?

a- atp

b- NADPH

c- oxygen

d- all of the above

which of the following is the correct overall equation for photosynthesis?

a- glucose + carbon dioxide -> water + oxygen + light energy

b- Light energy + carbon dioxide + water -> glucose + Oxygen

c- Glucose + oxygen + sunlight energy -> pyruvate + ATP

d- Oxygen + light reaction + carbon dioxide -> glucose + oxygen

in photosynthesis, what occurs in the stroma and produces glucose?

a- light reactions

b- Calvin cycle

c- fermentation

d- glycolysis

the energy stored in bio-fuels originally came from which process?

a- photosynthesis

b- fermentation

c- krebs cycle

d- entropy

how are the chemical reaction of photosynthesis and cellular respiration related?

a- the are the same

b- they both use the same reactants

c- they both produce the same products

d- the products of one are the reactants of the other

the overall purpose of which of the following is to produce ATP?

a- cellular respiration

b- photosynthesis

c- both a and b

d- neither a or b

the overall purpose of which of the following is to produce ATP?

a- cellular respiration

b- photosynthesis

c- both a and b

d- neither a or b

which of the following oxygenates earth's atmosphere?

a- cellular respiration

b- photosynthesis

c- both a and b

d- neither a or b

which of the following occurs in plants?

a- cellular respiration

b- photosynthesis

c- both a and b

d- neither a or b

The reactants of which are glucose and oxygen?

a- cellular respiration

b- photosynthesis

c- both a and b

d neither a or b

which of the following occurs in the cholroplast?

a- cellular respiration

b- photosynthesis

c- both a and b

d- neither a or b

homologous chromosomes

a- carry the same genes, but different versions of those genes

b- carry completely different genetic information

c- are both from the mother

d- are not found in eukaryotic cells

in which phase of the cell cycle is DNA duplicated?

a- g1 phase

b- s phase

c- telophase

d- cytokinesis

in mitosis, the duplicated chromosomes line up in the center of the cell during which stage?

a - interphase

b- prophase

c- metaphase

d- anaphase

in which step of mitosis are sister chromatids pulled apart at the centromere and dragged to opposite ends of the cell?

a- prophase

b- metaphase

c- anaphase

d- telophase

chromosomes condense, nucleus disintegrates, and the spindle forms in which step of mitosis?

a- prophase

b- metaphase

c- anaphase

d- telophase

a cell spends most of its time in

a- prophase

b- metaphase

c- anaphase

d- interphase

the number of chromosomes in a human cell is

a- 1 pair

b- 23 pairs

c- 46 pairs

d- 92 pairs

which of the following occur during cytokinesis

a- centomeres are broken

b- spindle is formed

c- chromosomes condense

d- cytoplasm splits

which of the following directly results in cytokinesis of plant cells?

a- formation of a cleavage furrow

b- formation of a cell plate

c- duplication of the DNA

d- nucleus disintegration

which of the following produces genetic variation in a population of sexually reproducing organisms?

a- independant (random) assortment

b- crossing over

c- random fertilization

d- all of the above

produces the gametes

a- mitosis

b- meiosis

c. both a and b

d. neither a or b

occurs in eukaryotic cells

a- mitosis

b- meiosis

c- both a and b

d - neither a or b

occurs in somatic cells

a- mitosis

b- meiosis

c - both a and b

d - neither a or b

Produces 2 genetically identical daughter cells.

a - mitosis 

b- meiosis

c- both a and b

d - neither a or b

in humans, produces daughter cells with 23 total chromosomes.

a- mitosis

b- meiosis

c- both a and b

d - neither a or b

random assortment occurs during metaphase.

a- mitosis

b- meiosis

c- both a and b

d- neither a or b

Includes 2 rounds of cell division

a- mitosis

b- meiosis

c- both a and b

d- neither a or b

Responsible for growth and healing

a- mitosis

b- meiosis

c- both a and b

d- neither a or b

Gametes with too many or too few chromosomes results when (blank) occurs in meiosis

a- glycolysis

b- crossing over

c- denaturation

d- nondisjunction

What is the cause of Down Syndrome?

a - Having only 1 x chromosome

b- have 3 copies of chromosome 21

c- having 3 x chromosomes

d- having an x and a y chromosome