FREE BIOLOGY AND STUDY GAMES ABOUT BIO 1: 2.1-2.5

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FREE BIOLOGY AND STUDY GAMES ABOUT BIO 1: 2.1-2.5

EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -62 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: A type of active transport where a large molecule passes out of the cell.

Answer:

exocytosis Question 2: the diffusion of water molecules through a selectively permeable membrane from an area of greater concentration of water to an area of lesser concentration of water.

Answer:

osmosis Question 3: Some substances have chemical structures that ___ them from passing directly through a cell membrane

Answer:

prevent Question 4: Cell organelle that functions as the site of protein synthesis. Can be found on the ER or in the cytoplasm.

Answer:

ribosomes

Question 5: Each cell within an organism contains the ___ ___ of the organism.

Answer:

genetic material Question 6: A cell organelle that modifies, collects, packages, and distributes molecules.

Answer:

golgi bodies (apparatus) Question 7: A process by which substances move across a cell membrane but do not require energy from the cell.

Answer:

passive transport Question 8: Molecules move from an area of higher concentration to an area of lower concentration

Answer:

concentration gradient Question 9: ___ are used by large molecules to travel through the cell membrane.

Answer:

vesicles

Question 10: Stem cells

Answer:

unspecialized cells that continually reproduce themselves and have the ability to differentiate into one or more types of specialized cells Question 11: Another process of active transport happens when molecules are ___ ___ to pass through a cell membrane even with the aid of transport proteins

Answer:

too large

Question 12: Cell organelle where cellular respiration takes place.

Answer:

mitochondria

Question 13: short hair-like projections responsible for the movement of animal cells.

Answer:

cilia

Question 14: Organelle

Answer:

a cell structure that performs a specialized function Question 15: A type of stem cell that has already differentiated into a specialized cell type.

Answer:

adult stem cells

Question 16: A(n) ___ organism is composed of two or more cells.

Answer:

multicellular

Question 17: Cell organelle found only in plants where photosynthesis occurs.

Answer:

chloroplast Question 18: ___ is a substance that requires the use of a transport protein in order to diffuse through the cell membrane.

Answer:

glucose Question 19: Tissues that have the same structure and perform similar functions join together to form ___.

Answer:

organs Question 20: Green pigment which absorbs energy from the Sun to convert carbon dioxide and water into sugar

Answer:

chlorophyll

Question 21: A type of transport in which the cell must expend energy to move the molecule across the cell membrane against the concentration gradient.

Answer:

active transport

Question 22: cells, tissues, organs, organ systems, organism

Answer:

Levels of cellular organization Question 23: As cells divide, the ___ ___ determines what type of cell it will become.

Answer:

genetic material

Question 24: A type of ER that has ribosomes attached.

Answer:

rough ER Question 25: Materials needed for cellular processes must move ___ the cell and waste materials must move ___.

Answer:

into, out

Question 26: A(n) ___ organism is composed of one cell

Answer:

unicellular Question 27: The ability of cells to divide to form new cells is the basis for all ___ and for the growth and repair of all multicellular organisms.

Answer:

reproduction Question 28: Diffusion, osmosis, and facilitated diffusion are all types of ___ transport.

Answer:

passive