215 winter 2024_chem_cells

The liquid in which a cell's contents are suspended is called ________.

What organelle is a membranous sac formed by budding off sections of the Golgi membrane?

What organelle is built of microtubules and fringes the free surfaces of some cells?

Which of the following processes uses specific carrier molecules?

What is the function of the nucleus?

The three-dimensional form of a cell affects its ability to perform its function.

Mitochondria manufacture proteins.

What are the three basic parts of a composite cell?

Chromatin consists of DNA and protein.

Specialized structures within cells are called organelles.

What cellular transport process requires the greatest expenditure of cellular energy?

Which type of nucleic acid consists of a single strand of nucleotides containing the sugar ribose?

Which of the following processes uses specific carrier molecules?

Cell structures made of individual microtubule fibers involved in moving chromosomes during cell division are called___.

The movement of molecules from an area of low concentration to an area of high concentration is called diffusion.

Which of the following shows the correct sequence of the cell cycle?

Among other functions, lysosomes detoxify alcohol and break down hydrogen peroxide.

Which is not one of the three main parts of a cell?

What is the branch of science that studies the composition of matter?

What is the function of mitochondria?

The movement of glucose through a cell membrane is by facilitated diffusion.

In osmosis, water diffuses down its concentration gradient.

What activity takes place on ribosomes?

How are membrane proteins classified?

Atoms that lose or gain electrons become electrically charged particles called:

Most cells contain only the parts of DNA necessary to perform the cell's specific functions.

The process where the cytoplasm divides is called ______.

What is the process called by which glucose can pass through a membrane using special carrier proteins?

Fatty acids and glycerol are building blocks of what molecule?

What are two functions of the cell membrane?

Ribosomes are composed largely of protein and __________.

What type of bond is formed when atoms form bonds by sharing electrons?

Cells in different tissues vary considerably. What determines a cell's specialized function?

What is the maximum number of electrons the first (innermost) electron shell of an atom can hold?

What is meant by the denaturation of a protein?

What organelle houses enzymes that degrade cellular debris?

What type of chemicals function to resist changes in pH of a solution?

Tiny droplets of fluid can cross a cell membrane and enter a cell using the process called __________.

What is endoplasmic reticulum?

What are attached to the surface of rough endoplasmic reticulum?

What forms the rods and tubules of the cytoskeleton?

A primary, secondary, and tertiary structure describe the structure of what type of organic compound?

What forms the rods and tubules of the cytoskeleton?

All integral proteins extend through the plasma membrane and protrude on both sides.

What type of reaction is Li + Cl produces LiCl

If fluid outside of cell membrane contains a greater [ ]of dissolved particles than the fluid inside, how is this

A cell membrane is composed mostly of what two organic compounds?

What type of bond is formed when atoms form bonds by transferring electrons?

What is the term given to the number of protons in the nucleus of one atom of a particular element?

Ninety-five percent (95%) of the human body (by weight) is made up of what four elements?