CFA #1 - Chapters 16.1, 16.2

What are the main points of cell theory? Select all that apply.

• Cells are the basic units of structure and function in living things.

• New cells are produced from existing cells.

• All cells enclose their DNA within a nucleus.

• All living things are made up of cells.

Which instrument helped scientists discover cells?

• Eyeglasses

• Magnifying Glass

• Microscope

• Telescope

Which is true for a light microscope but not an electron microscope?

• Uses light to magnify images

• Has very high magnification

• Can study cells and structures

• Needs a computer to work

Which is a prokaryotic cell?

• I

• II

• III

• IV

Which is found in eukaryotic cells but not prokaryotic cells?

• Uses DNA to control cell activities

• Is surrounded by a cell membrane

• Makes and Uses Proteins

• Contains DNA in a nucleus

Josey looks at onion cells under a microscope but can't see details. What should she do to see the cells better?

• Use a thicker piece of onion.

• Place the onion in a vacuum.

• Add a drop of water to the sample.

• Apply a stain, like iodine, to the sample.

Which structures are found in plant cells but not in animal cells?

• Cell wall and cell membrane

• Cell membrane and mitochondria

• Cell wall and chloroplasts

• Mitochondria and chloroplasts

Which organelle is LEAST involved in protein synthesis in animal cells?

• Ribosomes

• Endoplasmic Reticulum

• Golgi Apparatus

• Chloroplasts

The instructions for making proteins are in the _​ (a)   _ of a cell.

• nucleus

• cytoplasm

• ribosome

• DNA

Tags

NGSS.HS-LS1-1

Protein-making instructions are found in the ( cytoplasm / DNA / endoplasmic reticulum / nucleus ) of a cell. In a eukaryotic cell, these instructions are in the __​ (a)   __.

• Cytoplasm

• DNA

• Endoplasmic Reticulum

• Nucleus

Tags

NGSS.HS-LS1-1