Biology flashcards

Question 1

What is a cell

Answer 1

its a basic unit of life that can perform all the functions of life.

Question 2

what are all multicellular organisims made up of .

Answer 2

they are made up of millions of cells.

Question 3

What is the order of life

Answer 3

atoms, molecules, organelles, cells, tissue, organs, organ system, organism

Question 4

What is an atom

Answer 4

they are non-living and are very small and are the basic unit of matter

Question 5

What is a molecule

Answer 5

its a combination of atoms

Question 6

What is an organelle

Answer 6

structure inside the cell that performs a specific function

Question 7

Give two examples of a organelle

Answer 7

mitochondria and chloroplasts

Question 8

What is tissue

Answer 8

groups of the same cells, with same structure that work together to perform a common function

Question 9

Give me an example of tissue

Answer 9

a group of stomach muscle cells is called stomach muscle tissue

Question 10

What is an organ

Answer 10

a group of different tissue that work together to perform the same function

Question 11

Give an example of an organ

Answer 11

stomach muscle tissue plus nervous tissue plus epithelium tissue forms a stomach

Question 12

What is an organ system

Answer 12

different organs that work togehter to perform a specific function

Question 13

Give an example of an organ system

Answer 13

stomach, small intestine, large intestine, liver, and pancreas are all organs that work together to form the digestive system

Question 14

What is an organism

Answer 14

multiple organ systems working together to form the organism

Question 15

What do we use a microscope for

Answer 15

to look at the detial soft cells that can’t be seen with the naked eye

Question 16

What is the only cell we can see with the naked eye

Answer 16

the egg cell ( from a women )

Question 17

How are the objects on the microscope magnified

Answer 17

with eye piece lenses and objective lens, the eye piece lens has a magnification of 10x and the objective lens had 4x, then the total is 10 x 4 = 40x

Question 18

What is the function of a scalpel

Answer 18

to make cuts of dissections

Question 19

What is the function of a cover slip

Answer 19

covers the specimen on the microscope slide

Question 20

What is the function of the petri dish

Answer 20

used to grow cells or bacteria

Question 21

What is the function of a dissection needle

Answer 21

used to pull materials or cells apart

Question 22

What is the function of a microscope needle

Answer 22

holds the specimen for viewing under microscope

Question 23

What is the function of a dissection tweezer

Answer 23

used to handle or over small materials

Question 24

What is the function of a cell wall

Answer 24

found only in plant cells, it gives strength, shape, protection which is made of cellulose

Question 25

What is the function of the cell membrane

Answer 25

found in both cells, and controls what enters or leaves the cell

Question 26

What is the function of cytoplasm

Answer 26

its a jelly-like fluid, where all the organelles float

Question 27

What is the function of a vacuole

Answer 27

Storage space for water, maintans pressure to keep cell firm

Question 28

What is the function of the chloroplasts

Answer 28

found only in plant cells, has chlorophyll, and is a site of photosynthesis

Question 28

What is the function of the nucleus

Answer 28

its the brain of the cell, it controls the cell, and contains DNA

Question 29

What is the function of the mitocondrion

Answer 29

its the powerhouse of the cell, it makes the energy ( ATP ) by respiration .

Question 30

What is the difference between the plant cells and the animal cells

Answer 30

Plant cells have a cell wall, chloroplasts, large vacuole, rectangular shape. Animal cells have no cell wall, no chloroplasts, small or no vacuole, and have a more round or irregular shape.

Question 31

What is the chemical equation or formula for when chloroplasts perform photosynthesis

Answer 31

CO2 + H2O - Glucose + O2

Question 32

What is glucose stored as

Answer 32

its stored as starch in the vacuole of plant cells

Question 33

What do all cells have

Answer 33

the all have a nucleus which has the DNA

Question 34

What is the stem cell

Answer 34

its in bone marrow

Question 35

What type of cells can become anything

Answer 35

undeferntiate cells

Question 36

What is cell differentiate

Answer 36

when cells change their shape or structure to perform different functions

Question 37

What is the chemical equation for when mitochondria perform respiration

Answer 37

O2 + Glucose - ATP H2O + CO2

Question 38

What is cell division

Answer 38

The body is continually formining new cells from old cells dividing

Question 39

How does the body form new cells

Answer 39

mitosis is the type where identical, new cells are formed from old cells. This is important because for general growth, repair, reproduction in unicellular organisims