BIO 101 Exam 2

Which type of microscope has the best resolution?

• an electron microscope

• Leeuwenhoek's microscope

• Hooke's microscope

• a modern light microscope

Which of the following components is NOT part of the modern cell theory?

• the smallest living organisms are single cells

• all cells arise from preexisting cells

• all living organisms are made up of one or more cells

• bacterial cells are eukaryotic

• cells are the functional units of multi-cellular organisms

All cells possess all of the following components EXCEPT:

• a plasma cell membrane

• ribosomes

• genetic material

• a nuclear membrane

• cytoplasm

The cytoplasm of eukaryotic cells contains all of the following EXCEPT:

• chromosomes

• organelles

• water

• enzymes

• dissolved nutrients

The phospholipids that make up the plasma membrane have ____ heads and ____ tails.

• eukaryotic; prokaryotic

• hydrophilic; hydrophobic

• prokaryotic; eukaryotic

• cytoplasmic; phagocytic

Membrane proteins are synthesized on ribosomes that are found

• on the smooth endoplasmic reticulum

• on the rough endoplasmic reticulum

• in the nucleus

• on the Golgi apparatus

A mutant plant cell with no chloroplasts would

• still be able to use carbohydrates as an energy source

• appear green in color

• still be able to capture energy as sunlight

• synthesize new chloroplasts in the nucleus

Tags

NGSS.HS-LS1-7

What primarily determines the shape of animal cells, which lack cell walls?

• nucleus

• cytoskeleton

• endoplasmic reticulum

• ribosomes

Which of the following does NOT possess a double membrane?

• plastid

• nuclear envelope

• ribosome

• mitochondrion

Which organelle is most abundant in cardiac muscle cells?

• lysosomes

• smooth ER

• golgi complexes

• plastids

• mitochondria

Tags

NGSS.HS-LS1-7