Cell Structure and Function

Question 1

Why do different cells have different shapes

Answer 1

They have different shapes depending on their function.

Question 2

Wha determines the cells’ size

Answer 2

It’s surface are - volume ratio

Question 3

Where is the cell membrane located on a cell?

Answer 3

Located at the cell surface

Question 4

What is the cell membrane responsible for

Answer 4

The movement of materials into and out of the cell

Question 5

All living organisms are composed of what?

Answer 5

Organized parts known as cells

Question 6

Heterotrophs

Answer 6

Consumers; cannot make their own food

Question 7

Autotrophs

Answer 7

Producers; make their own food

Question 8

All living organisms

Answer 8

Perform chemical reactions, change overtime/evolve, respond to their environment, reproduce, and maintain homeostasis

Question 9

Homeostasis

Answer 9

The process where cells maintain a stable internal environment

Question 10

Individual cells must complete these functions

Answer 10

Ingestion, Digestion, Cyclosis, Respiration, Biiosynthesis, Excretion, Excretion,Egestion, movement, reproduction, Irritability, and Secretions

Question 11

Ingestion

Answer 11

The tweaking in of food and water

Question 12

Digestion

Answer 12

The breaking down of food into smaller molecules so that it can be used by cells

Question 13

Cyclosis

Answer 13

The movement of materials inside a cell

Question 14

Respiration

Answer 14

Breaking down glucose into simpler substances and releasing the stored energy in a from the cell can use

Question 15

Biosynthesis

Answer 15

Using the energy from foods to form new cell parts as in growth repair

Question 16

Excretion

Answer 16

The removal of liquid waste from the cell

Question 17

Egestion

Answer 17

The removal of solid waste from the cell

Question 18

Movement

Answer 18

The process of group transportation

Question 19

Reproduction

Answer 19

May be sexual or asexual

Question 20

Animal cells are shaped

Answer 20

Round

Question 21

Plant cells are shaped

Answer 21

Square

Question 22

What are all living things composed of

Answer 22

Cells

Question 23

What is a cell

Answer 23

The smallest unit that can carry out all processes of life

Question 24

When was the word “cell” first used and by who

Answer 24

In 1665 by Robert Hooke

Question 25

What did Robert Hooke look at to learn about cells and what did her find

Answer 25

Slices of cork (plant cells) and he saw thousands of tiny, empty chambers

Question 26

Robert called then cells because.

Answer 26

The cells reminded him of the rooms which he lived in the monastery

Question 27

What did Anton Van Leeuwenhoek make to look at things that interested him

Answer 27

He made simple microscopes with 10X magnification or greater.

Question 28

What did Leeuwenhoek discover

Answer 28

The hidden world of microorganisms in a drop of water (he called them “little beasties”

Question 29

What was Leeuwenhoek the first to do with microorganisms

Answer 29

See and describe them under a microscope

Question 30

Who was Matthias Scheilden

Answer 30

A German Botanist

Question 31

What did Schleiden and Schwann conclude

Answer 31

All plant and animals are composed of cells

Question 32

Who was Theodore Schwann

Answer 32

A German zoologist

Question 33

In 1858 what did Rudolph Virchow note about cells

Answer 33

He noted that cells can only preexisting cells

Question 34

What is the cell theory

Answer 34

All living things are composed of cells Cells are the basic unit of structure and function in living things New cells are produced from existing cells

Question 35

What is the cell theory

Answer 35

All living things are composed of cells Cells are the basic unit of structure and function in living things New cells are produced from existing cells

Question 36

Irritability

Answer 36

Responding to a stimulus

Question 37

know the cell diagram

Answer 37

section VI. (a) in the notes

Question 38

what does the cell membrane do?

Answer 38

separates the internal chemical reactions of the cell from the external environment

Question 39

cell membranes also?

Answer 39

regulates the passage of materials into and out of the cell by allowing only certain molecules to enter and leave

Question 40

what is the cell membrane made of

Answer 40

mostly made of lipids and proteins

Question 41

know the nucleus diagram

Answer 41

section (c) of VI.

Question 42

what is the nucleus filled of

Answer 42

nucleoplasm

Question 43

what is nucleoplasm

Answer 43

a jellylike liquid similar to the cell's cytoplasm

Question 44

what does the nucleoplasm hold

Answer 44

the contents of the nucleus(the cell's DNA)

Question 45

what does DNA do

Answer 45

contains the coded instructions for the genetic makeup of future cells as well as instructions for making proteins and other important molecules for the daily functioning of the cell

Question 46

what is the nucleus surrounded by