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40 Cards in this Set

  • Front
  • Back

Distinguish between active versus passive transport

Active transport is the movement of molecules across a membrane requiring energy to be expanded by the cell. requires energy.


Passive transport is diffusion across a membrane requiring only random motion of molecules with no energy expanded by the cell. requires no energy.

Describe the direction water or solutes will travel in hypertonic,hypotonic, and isotonic solution

Hypertonic: the solution shrinks because the water goes out of the cell


Hypotonic: water will enter the cell


isotonic: doesnt allow or let water leave


Distinguish between endocytosis and exocytosis

endocytosis is a process where a cell fully engulfs materials from the outside and fuses them to its plasma membrane


exocytosis is moving the cytoplasm to the outside of the cell

how the maintenance of a relatively stable internal is required for survival

its required because internally everything needs to work together in order to survive

describe cell specialization in multicelluar organisms

it helps better the organism by making new cell tissue

list the levels of organization in eukaryotes beginning with organelles and ending with no organisms

nucleus


ribosomes


ER


Golgi

where is energy is located and why is it needed by cells

the energy is located in the atp and is used to give energy to cells to work properly

reduced equation for photosynthesis

6CO2 + 12H2O + energy

products of light dependent vs the light independent reactions

light dependent: Oxygen, ATP, and NADPH


light independent: is the same it just doesnt require light

describe the organelle where photosynthesis takes place

it takes place in the chloroplasts

what factors affect photosynthesis

Co2, pH levels, light intensity, and temperature

equation for cellular respiration. what are the 3 parts? what happens at each part?

C6H12O6+6O2=6CO2+6H20. the three parts are Glycolysis, Krebs Cycle, Electron Transport Chain.


Oxygen And Glucose are broken down to produce ATP

compare and contrast photosynthesis and cellular respiration

photosynthesis only occurs in plants, cellular respiration occurs in all living things. they both form energy

describe how cell break down macromolecules to provide enregy for metabolism

it breaks it down with the membrane to only allow the essential parts through

describe the organelle that cellular respiration occurs

in the mitochandria

list the number of ATP's created in cellular respiration compared to fermenation

only 2 in ferementation and 36 in cellular repiration

compare alcoholic vs lactic acid fermentation

glucose is oxidized to two molecules of pyruvic acid

you count how any can fit across and divide by how many there are

then youll get the microns

3 parts of cell theory

cells are the smallest units of life


all living organisms are made up of cells


all cells come from existing cells

describe the roles of leeuwenhoek hooke schliedin schwann and virchow had with regards to the microscope and the cell

leeuwenhoek: discovered baterial cell, protozoa, yeast algae,chloroplast and much more


hooke: invented reflecting microscope


schleidin:cell theory

difference between the 2 types of electron microscopes

SEM: doesnt use concrentrated beam


TEM:uses the beam


distuinguish between prokaryotes and eukaryotes

prokaryotes: doesnt contain a nucleus



eukaryotes:contain membrane bound oranelles

describe the structure and function of the cell parts

Nucleus: most important part of the cell tells the cell what to do


Mitochondria: is the powerhouse of the cell it roams freely


Ectoskeletons: bone like structure outside the nucleus

compare and contrast plant and animal cells

plant has chloroplasts and cell wall


animal only has cell membrane

explain the structures found in prokaryotic cells

ribosomes,capsule,cytoplasm,plasmid,pili,nucleoid

note sheet

water accounts for 70% of the weight of the cell

explain cholesterols role in the plasma membrane

can prevent substances from exiting and entering

identify different structers of an atom

electrons protons and neutrons

explain isotopes and their biological uses

they are the same atomic number and identical protons

explain how to interpret the Ph scale using household items

0-14 7 is neutral less than & acidic more than 7 is basic


battery acid


lemon juice


apples

explain waters unique properties

can dissolve other substances


high dielectric constant

List the 6 main elements found in all living things

Carbon, Hydrogen, Oxygen, Nitrogen, Sulfur, Phosphorous

Describe the surface area to volume ratio as it relates to cell growth

the greater surface area the more raw material

difference between sexual and asexual reproduction

sexual is when an egg and sperm meet and asexual is when one organisms reproduces by itself

list cell cycle phases

prophase metaphase anaphase telophase

how embryonic cells are different

they can grow to be any part of the body

benifit of stem cells

they can heal damaged body parts


compare end result of mitosis to meiosis

mitosis has more sperm to egg ratio

write

crossing over occurs in prophase 1

describe the role

mitosis repairs tissue and organs the other repairs bones