U2SA Cell Structure & DNA 4.1 4.3 4.4

Light microscopes can magnify objects clearly by

• 1000 times

• 2 times

• 100 times

• 1,000,000 times

Electron microscopes can ____ (select all that apply).

• Were only invented in 2005

• See 100 times smaller than a light microscope

• Have a resolution up to 2 nanometers

• Were the first type of microscope

The plasma (cell) membrane ____.

• forms a flexible boundary between living cells and its surroundings

• Does not let anything in our out of the cell

• surrounds the nucleus

Prokaryotic cells are ____. (Select all that apply)

• the first cells to evolve

• the type of cells that make up Bacteria and Archea domains

• very complex in their structure

Eukaryotic cells _____. (Select all that apply)

• have a membrane enclosed nucleus

• have many organelles

• a the most simple cell type

Organelles are the _____.

• organs of the cell that perform a specific task

• organs in rodents

• a type of cell

The nucleus and ribosomes ______

• carry out the genetic control of the cell

• involved in the manufacture, distribution, and breakdown of molecules

• function in energy processing

• provide structural support, movement and communication between cells

The endoplasmic reticulum, golgi apparatus, lysosomes, vacuoles and peroxisomes ______.

• carry out the genetic control of the cell

• involved in the manufacture, distribution, and breakdown of molecules

• function in energy processing

• provide structural support, movement and communication between cells

The mitochondria and chloroplasts ______.

• carry out the genetic control of the cell

• involved in the manufacture, distribution, and breakdown of molecules

• function in energy processing

• provide structural support, movement and communication between cells

The cytoskeleton, plasma membrane, and plant cell wall ______.

• carry out the genetic control of the cell

• involved in the manufacture, distribution, and breakdown of molecules

• function in energy processing

• provide structural support, movement and communication between cells