Transport x Water Quiz Wk 7 (w/ incorrect cell questions)

Name the cell part: I'm kind of a big deal. I'm found in all living cells and am the directions for making protein. I can be loose as chromatin or wind up with my buddy proteins to make chromosomes

• DNA

• Cantrioles

• Microtubles

• Microfilaments

prokaryotes and eukaryotes are defined by a series of differences. which of the following structures is found in one class of cell, but not the other?

• plasma membrane

• ribosomes

• cell wall

• mitochondria

a group of researchers in a lab found what they believe to be an unknown organism. they notice that this organism lacks a nuclear membrane and mitochondria. using this info, which of the following structures would this organism most likely possess?

• lysosomes

• vesicles

• ER

• chroroplasts

• ribosomes

ribosomes appear bound to the rough ER and free floating in the cytoplasm of cells. they are found in prokaryotes and eukaryotes. ribosomes are made of ribosomal RNA as well as proteins. in eukaryotic cells, where are the ribosomes attached?

• the cytoplasm

• the rough ER

• the nucleolus

• the vacuole

What gets dissolved?

• Solution

• Solute

• Solvent

What does the dissolving?

• Solution

• Solute

• Solvent

This is a mixture of 2 or more substances.

• Solution

• Solute

• Solvent

This is the amount of solute dissolved in the solvent.

• Solute

• Solution

• Solvent

• Concentration

What is the concentration gradient?

• controls the movement of things

• the gradual change in the concentration of solutes in a solution as a function of distance through a solution

• certain things can cross freely while others cannot

• mixture of two or more substances

What does selectively permeable mean?

• two or more atoms combined

• certain things can cross into the cell freely while other things must go through a gate

• the gradual change in the concentration of solutes in a solution as a function of distance through a solution

• transportation of materials