Biology unit 1

Question 1

what is eukaryotic cell

Answer 1

multicellular organism contains nucleus and complex cell

Question 2

what is prokaryotic cell

Answer 2

do not have nucleus and simple cells

Question 3

formula for magnification

Answer 3

magnification = image/actual

Question 4

what is gram staining

Answer 4

To identify bacteria as being gram positive or gram negative

Question 5

Function of the golgi apparatus

Answer 5

modifies and packages proteins

Question 6

Function of plasmodesmata

Answer 6

Transports and communication between plant cells

Question 7

Job of Ribosome

Answer 7

To make proteins

Question 8

Organelles found in plant cells and not animal

Answer 8

cell wall
chloroplast
vacuole

Question 9

Explain how the ultrastructure of a bacterium capsule prevents dehydration.

Answer 9

The capsule stops the water from leaving

Question 10

Function of the midpiece of a human sperm cell

Answer 10

many mitochondria to create energy to move

Question 11

Function of root hair in plant cells

Answer 11

increase surface area to absorb water and minerals

Question 12

What is a gamete

Answer 12

sex cell

Question 13

What are cilia

Answer 13

hairs on columnar epithelial tissue

Question 14

How can arteriosclerosis develop

Answer 14

Fatty deposits build up in arteries damaging the Endothelium tissue.White blood cells repair damage leaving layer of plaque blocking the blood flow

Question 15

Function of chloroplast in plant cells

Answer 15

Where photosynthesis takes place.

Question 16

how are red blood cells adapted to their function

Answer 16

biconcave to increase surface area

Question 17

Function of neutrophil cell

Answer 17

immune response

Question 18

How do neutrophil cells defend body

Answer 18

fight and kill pathogens

Question 19

Function of squamous epithelial tissue

Answer 19

Found in alveoli,short diffusion pathway to move gases

Question 20

what damage can smoking cause

Answer 20

damage squamous epithelial tissues

Question 21

Function of columnar Epithelial tissue

Answer 21

Found in the trachea,cells in a column contains cilia on to protect from infection and goblet cell secretes mucus.

Question 22

Function of Endothelium tissue

Answer 22

layer of flattened cells lining heart and blood vessels,provide short diffusion pathway

Question 23

Function of the nucleus

Answer 23

Contains all the important information to control the cell.

Question 24

Function of Nuclear Envelope

Answer 24

Acts as a membrane surrounding the nucleus

Question 25

Function of Nuclear Pores

Answer 25

Small holes in the envelope to let substances in and out of the nucleus.

Question 26

Function of Chromosomes

Answer 26

They are inside the nucleus and contain all the genticall information

Question 27

Function of the Nucleolus

Answer 27

It is like a mini nucleus inside the nucleus.

Question 28

Function of the Mitochondria

Answer 28

carries out aerobic respiration.

Question 29

What is a Double Membrane

Answer 29

Inner membrane and outer membrane.

Question 30

what is the Cristae

Answer 30

inner membrane of mitochondria which is folded into cristae

Question 31

what is the Matrix

Answer 31

The fluid inside the mitochondria ,contains DNA and ribosomes

Question 32

function of the Rough Endoplasmic Reticulum

Answer 32

Transports ribosomes and proteins

Question 33

Function of Smooth Endoplasmic Reticulum

Answer 33

Transports lipids and carbohydrates

Question 34

Function of Lysosomes

Answer 34

Cleans the cell with strong enzymes to break it down .

Question 35

Function of the Centrioles

Answer 35

Produce spindle fibers which is protein chain to help carry out cell division.

Question 36

job of cytoplasm

Answer 36

Where reactions takes place

Question 37

what is magnification

Answer 37

How much an image is enlarged under a microscope

Question 38

What is resolution

Answer 38

The minimum distance between two objects at which a microscope can distinguish them as separate

Question 39

function of cell wall in plants

Answer 39

Makes up the structure of the cell

Question 40

Function of vacuole in plants

Answer 40

Contains cell sap

Question 41

Function of the chloroplast

Answer 41

Where photosynthesis takes place.

Question 42

What is a cell

Answer 42

The smallest thing making organisms

Question 43

What is Tissue

Answer 43

A group of cells that work together

Question 44

What is an organ

Answer 44

A group of tissues

Question 45

What is an organ system

Answer 45

A group of organs