ORGANELLES



Name: _______________________

UNIT 2b STUDY GUIDE: Cellular Processes

REVIEW…

1. How many and what kind of atoms are in C2H4O2 ? NaHCO3 (baking soda)?

2. How can you tell if a compound is organic?

3. What are the four common elements found in organic compounds?

FOUR CARBON COMPOUNDS THAT MAKE-UP ALL ORGANISMS

1. ____________________ These provide energy; examples include sugars and starches

2. ____________________: these provide long term energy storage; examples include fats and oils. Cell membranes are made of these.

3._____________________: these form structures. Examples include hair, nails, feathers, and spider webs. Enzymes are made of these.

4. _____________________: these store information. DNA and RNA are made of these.

CELLULAR TRANSPORT

In cells, the ___________ _____________ helps maintain homeostasis by controlling what ______________ and _______________ the cell. This structure allows some materials to enter, but blocks others. It is _________________ _________________________.

TYPES OF CELLULAR TRANSPORT

1. _____________________ transport - moves molecules without using energy. Molecules move from areas of ____________ concentration to areas of ___________ concentration. There are three types:

• ____________________: movement of particles from an area of high concentration to an area of low concentration

• ____________________ : diffusion of water through a

selectively permeable membrane. Water moves from high concentration to low concentration.

• _____________________________: movement of large particles like GLUCOSE from high concentration to low concentration with the HELP of a transport protein (protein gate).

2) _____________________ transport - moves molecules using energy. Molecules move from areas of ___________ concentration to areas of ____________ concentration.

➢ endocytosis : large particles _____________ the cell. The cell surrounds the particle with the cell membrane and forms a vesicle around it.

➢ _____________________________ :large particles ___________ the cell. The cell by packages the particles into a vesicle which then combines with the cell membrane. This releases the particles outside the cell.

IDENTIFY THE TYPE OF TRANSPORT

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PHOTOSYNTHESIS (The Energy Cycle PART ONE)

➢ What is the overall purpose of photosynthesis?

➢ Photosynthesis…

is used by ___________________________ organisms

occurs in the ___________________________ of cells

begins with light being absorbed by the pigment ______________________

uses the gas ___________________________, which provides the necessary carbon. This is how organisms get carbon from the environment.

creates the main product ___________________________

creates the waste product ___________________________

➢ overall chemical reaction for photosynthesis… (include symbols and words)

CELLULAR RESPIRATION (The Energy Cycle PART TWO)

➢ What is the overall purpose of cellular respiration?

➢ cellular respiration…

is used by ___________________________ organisms

occurs in the ___________________________ of cells

begins with _________________________ produced as food during photosynthesis

uses the gas ___________________________

creates the main product ___________________________

creates the waste products _____________________ and ______________________________________

Respiration that does not require oxygen is called ___________________________

➢ Overall chemical reaction for cellular respiration… (include symbols and words)

THE ENERGY CYCLE

Fill in the missing information.

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