Biology

Question 1

Single celled organisms are the foundation of what

Answer 1

The food pyramid

Question 2

Name three types of microscopes

Answer 2

Electron microscope, light microscope and confocal laser scanning microscope

Question 3

What is cytology

Answer 3

The study of formation, structure and function of cells

Question 4

Who examined many things under a double lens instrument?

Answer 4

Robert Hooke

Question 5

Robert Brown observed what

Answer 5

Nuclei in plant cells

Question 6

Describe the cell theory

Answer 6

1. All living things are made up of one or more cells and the products of those cells
2. Cells are the functional units life
3. All cells come from pre-existing cells

Question 7

Describe Prokaryotes

Answer 7

Bacteria cells, no nucleus

Question 8

Describe Eukaryotes

Answer 8

Protist, fungi, plant and animal cells; has nucleus containing ,any chromosomes surrounded by a membrane

Question 9

Cell membrane

Answer 9

The barrier between the cell and its environment, controls what enters and leaves the cell

Question 10

Cytoplasm

Answer 10

Jelly like contents of the cell

Question 11

Nucleus

Answer 11

Controls and manages all of the cells functions

Question 12

Nuclear membrane

Answer 12

Encloses the genetic material of the cell

Question 13

Nucleolus

Answer 13

Small structure a new Killis that manufactures ribosomal DNA

Question 14

Chromatin

Answer 14

Long strands of DNA

Question 15

Mitochondrion

Answer 15

Extracts food energy and makes it available for the cell

Question 16

Ribosomes

Answer 16

Produces proteins

Question 17

Vacuole

Answer 17

Storage place for water, food, waste, and other materials

Question 18

Lysosomes

Answer 18

Contain enzymes that break down food, waste and old cells

Question 19

Endplasmic

Answer 19

Transports materials throughout the cell

Question 20

Golgi apparatus

Answer 20

Modifies and packages proteins for Secretion outside of cell

Question 21

Vesicles

Answer 21

Small socks or packets that are released by the Golgi apparatus

Question 22

Centrioles

Answer 22

Organelle in animal cells that is involved in cell division

Question 23

Chloroplasts

Answer 23

The site of photosynthesis and contain chlorophyll

Question 24

Cell wall

Answer 24

Provide structure and support for plant and bacterial cells

Question 25

If the magnification is 4x and the ocular lens is 10x what is the total magnification?

Answer 25

40x

Question 26

What happens when cells reproduce

Answer 26

Some produce asexually when a single parent cell divides into two equal a size offspring or produces a small identical outgrowths on the parent organism

Question 27

What happens when a cell grows

Answer 27

Humans develop from a single fertilized egg into an organism of about 6×10 to the power of 13 cells

Question 28

What happens when cells repair damage

Answer 28

100 different types of cells with different specialized jobs and every second they must be replaced once dead

Question 29

Interphase

Answer 29

DNA is replicated and cell grows

Question 30

Prophase

Answer 30

Chromatin become X shaped, nucleolus and nuclear membrane become to break down and spindle fibers form

Question 31

Metaphase

Answer 31

Duplicated chromosomes of line along the equilateral plate and nucleus and nuclear membrane have completely disappeared

Question 32

Anaphase

Answer 32

Sister chromatids separate from each other as there pulled by spindle fibers

Question 33

Telophase

Answer 33

Chromosomes begin to unwind, nuclear envelope in nucleolus reappear

Question 34

Cytokines

Answer 34

Division of cytoplasm, membrane pinches off

Question 35

List 5 characteristics of living things

Answer 35

Cellular organization, Homeostasis, growth and metabolism, reproduction and heredity