Biology Unit 3

Question 1

first observed cells; published
Micrographia. Named them “cells”

Answer 1

Robert Hooke

Question 2

Cell Theory

Answer 2

All cells are made of one or more cells, Cells are the basic unit of life, and all new cells come from pre existing cells.

Question 3

Compound Light Microscope

Answer 3

1000x, (C) Can
view live specimens

Question 4

Electron Microscope

Answer 4

500,000x Cannot view live specimens

Question 5

Transmission Electron Microscope TEM

Answer 5

1D

Question 6

Scanning Electron Microscope SEM

Answer 6

3D

Question 7

Parts of all cells?

Answer 7

Cell Membrane, Cytoplasm, Ribosomes, and Genetic Material

Question 8

Hydrophillic End

Answer 8

(Head) Water loving

Question 9

Hydrophobic End

Answer 9

(Tail) Water fearing

Question 10

Cytoplasm

Answer 10

Jello-like fluid inside cells

Question 11

Genetic Materials

Answer 11

Stores and transmits info

Question 12

Ribosomes

Answer 12

Builds proteins

Question 13

Prokaryote

Answer 13

Lack a nucleus and Membrane-bound organelles

Question 14

Eukaryote

Answer 14

Has a Nucleus and Membrane-bound organelles

Question 15

Phospholipid Bilayer

Answer 15

creates barrier, maintains
homeostasis.

Question 16

Selectively Permeable

Answer 16

only allows certain things to
enter & exit.

Question 17

Homeostasis

Answer 17

Maintains a stable internal environment,
when external changes.

Question 18

Cholesterol

Answer 18

Found in the membrane to stabilize and provide flexibility. (only in animal cells)

Question 19

Membrane Proteins

Answer 19

Transport Proteins
* Receptor Proteins
* Anchor Proteins

Question 20

Passive Transport

Answer 20

NO energy or ATP required

Question 21

Active Transport

Answer 21

Energy and ATP required going from LOW to HIGH

Question 22

Diffusion

Answer 22

movement of particles FROM HIGH
concentration TO LOW concentration

Question 23

Osmosis

Answer 23

the process of diffusion….with
WATER!

Question 24

Facilitated Diffusion

Answer 24

Transport Proteins
HELP carry molecules across membrane.

Question 25

Endocytosis

Answer 25

cell surrounds substance outside and encloses it -> TAKES IN

Question 26

Exocytosis

Answer 26

secretion of materials from cell -> SENDS OUT

Question 27

Cilia and Flagella

Answer 27

Short and Long, Help Cell movement and feeding.

Question 28

Vacuole

Answer 28

Storage of wastes and materials (Water)

Question 29

Lysosomes

Answer 29

Digest old cell parts + invaders

Question 30

Endoplasmic Reticulum

Answer 30

Site of Protein Synthesis

Question 31

Nucleus

Answer 31

Control center, holds genetic info + nucleolus (site of ribosome synthesis)

Question 32

Mitochondria

Answer 32

Where Energy/ATP synthesis is

Question 33

Golgi Apparatus

Answer 33

Packages and Modifies proteins

Question 34

Centrioles

Answer 34

Aid in cell division

Question 35

Chloroplasts

Answer 35

Creates Food/glucose synthesis via photosynthesis

Question 36

What are 3 words for CELL MEMBRANE

Answer 36

CELL MEMBRANE, PLASMA MEMBRANE, PHOSPHOLIPID BILAYER