Author: Biology Junction Team

Photosynthesis

Name: 

Photosynthesis

 

 

True/False
Indicate whether the sentence or statement is true or false.
1.
All organisms require energy to carry out life processes.
2.
Animals that live exclusively on a diet of other animals are unable to use carbohydrates to fuel their life processes.
3.
When light hits a plant, all of the wavelengths are absorbed and used to make sugar.
4.
A series of linked chemical reactions in which the product of one chemical reaction serves as the reactant in the next reaction is called a biochemical pathway.
5.
An autotroph is able to make its own organic molecules from inorganic materials and energy.
6.
The major light-absorbing pigment in plants is chlorophyll.
7.
Plant cells use light to make ATP and NADPH.
8.
The “light reactions” of photosynthesis can occur only under light conditions, and the “dark reactions” occur only during the dark hours.
9.
The final product of photosynthesis is not actually glucose.
10.
C4 and CAM plants use less water to produce the same amount of carbohydrate as C3 plants.
 

Completion
Complete each sentence or statement.
11.
Stacks of thylakoids, called ____________________, are found suspended in the stroma of chloroplasts.
12.
A pigment that absorbs primarily red and blue photons of light for photosynthesis is called ____________________, while pigments that absorb other wavelengths and appear yellow and orange are called ____________________.
13.
Organisms that harvest energy from either sunlight or chemicals in order to make food molecules are called ____________________.
14.
The main pigment associated with the two photosystems is ____________________.
15.
In the electron transport chain of photosynthesis, electrons travel from molecule to molecule as part of a(n) ____________________ atom.
16.
The abundance of oxygen in Earth’s atmosphere is a result of ____________________.
17.
Chemiosmosis results in the release of ____________________.
18.
The third stage of photosynthesis, in which glucose is manufactured, is called the ____________________.
19.
The scientist who determined the sequence of steps in the light-independent reactions was ____________________.
20.
The ____________________ plants have an enzyme that is more efficient at fixing CO2 than is the enzyme that accomplishes this in ____________________.


Check Your Work     Reset

Quiz Viruses

Name: 

Viruses

 

 

True/False
Indicate whether the sentence or statement is true or false.
1.
Although viruses do not consist of cells, biologists consider them to be living because they are capable of reproduction.
2.
Wendell Stanley made the important discovery that viruses are not cellular.
3.
Viruses consist of RNA or DNA surrounded by a coat of protein.
4.
Prions are the smallest known particles that are able to replicate.
5.
A virus can only reproduce by controlling a cell.
6.
People can contract the influenza virus more than once because the virus tends to mutate rapidly, avoiding the actions of the immune system.
7.
Smallpox is caused by bacteria.
8.
Chickenpox and shingles are caused by the same virus.
9.
The viruses that have been linked to human cancers are usually transmitted through the air.
 

Completion
Complete each sentence or statement.
10.
The protein coat of a virus is called a(n) ____________________.
11.
Most viruses occur in the shape of a(n) ____________________ or a(n) ____________________.
12.
A virus that transcribes DNA from an RNA template is called a(n) ____________________.
13.
An enzyme called ____________________ manufactures DNA that is complementary to a virus’s RNA.
14.
____________________ are bacterial viruses with a polyhedral head and a helical tail.
15.
All viruses reproduce by taking over the reproductive machinery of a ____________________.
16.
Viruses that infect a host cell and have their nucleic acid replicated but do not harm the host cell are in a ____________________ cycle.
17.
A viral DNA molecule formed from an RNA virus is called a(n) ____________________.
18.
The virus that causes AIDS is called ____________________.
19.
Some viruses are thought to induce ____________________, a disease characterized by uncontrolled cell division.
20.
An example of an emerging virus is the  ____________________ virus.

 
Check Your Work     Reset

PZ Cells

 

Cells
Match the words in the first column to the best available answer in the second column. When you are finished, sketch a picture of a cell on the back of your puzzle and label seven of the organelles listed below.

 

_____ cell theory 1) cell component that carries on a specific job for the cell
_____ Robert Hooke 2) packages materials such as proteins made by the cell
_____ cell 3) make up the membrane of a cell
_____ organelles 4) control center of the cell where DNA is found
_____ prokaryote 5) where proteins are made in all cells
_____ eukaryote 6) states all living things are made of cells
_____ phospholipids 7) cells with a nucleus and membrane-bound organelles
_____ mitochondria 8) structure around the outside of the cell membrane in plants for support and protection
_____ ribosome 9) made of microfilaments and microtubules in the cytoplasm for supportnucleolus
_____ endoplasmic reticulum 10) smallest part of an organism that can carry on all life processes
_____ golgi 11) powerhouses of a cell where ATP (energy) is generated
_____ lysosome 12) store enzymes and waste products in a cell
_____ cilia 13) digests materials within the cell
_____ nucleus 14) short hairlike structures around the outside of a cell for movement
_____ cell wall 15) system of canals inside a cell
_____ vacuole 16) where photosynthesis occurs
_____ chloroplast 17) first to view cork cells with a simple microscope
_____ cytoskeleton 18) cells lacking a nucleus and membrane-bound organelles

 

 

 

Chemistry Puzzle

 

Chemistry

Across
2. solution with an excess of hydronium (H+) ions
4. universal solvent
8. substances in organism that control pH
9. reactions involving a net release of energy
12. made of 2 or more elements bonded together
14. chemically combining elements so their atoms become stable
17. found in the energy levels of an atom
19. positive particle in the nucleus
20. quantity of matter in an object
21. substance dissolved in a solution
22. smallest part of a compound
24. center of an atom
Down
1. solution in which no more solute may be dissolved
2. refers to a basic solution
3. symbol for helium
5. neutral particle in the nucleus
6. solution in which water is the solvent
7. found on the left side of an equation
10. hydroxide ion
11. reaction involving a net absorption of energy
13. scale from 0-14 measuring H+ and OH- ion concentration
15. charged atom
16. reactions involving the transfer of electrons between atoms
18. pure substances that cannot be chemically broken down into simpler substances
22. anything that occupies space & has mass
23. stored in chemical bonds

CLICK HERE FOR NOTEBOOK COPY

Pz Celluar Respiration

 

Cellular Respiration
Unscramble and define the following words:

 

 

1) yoilgylssc ____________________________________
2) ofattmneirne ____________________________________
3) ieoirntprsa ____________________________________
4) tap ____________________________________
5) ethrotpheor ____________________________________
6) yogxne ____________________________________
7) staey ____________________________________
8) obrneacai ____________________________________
9) brcaeoi ____________________________________
10) vrcuyip ____________________________________
11) erdox ____________________________________
12) nahd ____________________________________
13) zeensym ____________________________________
14) accilt ____________________________________
15) lalhcoo ____________________________________
16) csoiekoliarl ____________________________________
17) tocdhinomria ____________________________________
18) icictr ____________________________________
19) hfad ____________________________________

 

 

Solution