What characteristic of life is a process in which living things obtain and use material and energy?
What is metabolism
100
How are the isotopes Carbon 12 and Carbon 14 similar and different?
They are both carbon atoms and have the same number of protons and electrons. They are different because Carbon 14 has 2 more neutrons and a mass of 14
100
If a cell is like a city, what is the nucleus, the mitochondria and the lysosomes?
The nucleus is the mayors office, the mitochondria is the power plant and the lysosomes are the sanitation department.
100
What is the equation for photosynthesis?
6CO2 + 6H2O ---sunlight---> C6H12O6 + 6O2
100
What is the equation for cellular respiration?
C6H12O6+ 6 O2 → 6 CO2+ 6 H2O +ATP
200
What characteristic of life is a process in which living things maintain stable internal environments?
What is homeostasis
200
Give an example of an element, a compound, and a mixture.
Examples could include:
What is carbon, carbon dioxide, and air
What is sodium, sodium chloride, and salt water
200
Compare and contrast active and passive transport and give two examples of each.
Active transport is low to high and requires energy
examples: protein pumps and exocytosis
Passive transport is high to low and does not require energy
examples: diffusion and facilitated diffusion
200
How is ATP like a rechargeable battery?
ATP is fully charged. Remove one Phosphate and you have ADP which is a low battery. Add a Phosphate and you recharge the battery.
200
What is the difference between aerobic and anaerobic respiration? Which makes more energy?
Aerobic requires oxygen (cellular respiration) and creates more ATP. Anaerobic does not require oxygen (fermentation) and creates less ATP
300
What is a scientific theory?
A well tested explanation that unifies a broad range of observations and hypotheses.
300
What are two major types of chemical bonds and how are the different?
covalent bonds form when atoms share electrons
ionic bonds form when atoms give up or gain electrons
300
What is the difference between and prokaryotic and eukaryotic cell? Give an example of each.
Prokaryotic cells are smaller, simpler and lack a nucleus. example: bacteria
Eukaroytic cells are larger, have DNA in a nucleus, and are more complex
example: plants
300
What are the reactants and products of the light dependent and the light independent reactions?
Why do macromolecules differ in the amount of energy they contain?
Their chemical structures are different so the energy contained in their chemical bonds is different too. For example lipids contain more energy (calories) than proteins.
400
What is the difference between an observation and an inference?
Observations are what you notice or describe around you. An inference is a logical interpretation based on your prior knowledge.
400
What atoms make up a water molecule? How are bonded? Why is water polar? What bonds hold one water molecule to another?
Water is H2O. Atoms are held together by covalent bonds. Hydrogen side is positive and Oxygen side is negative because of uneven electrons. Hydrogen bonds hold one water to another.
400
What are the 3 parts of cell theory?
All living things are made of cells
Cells are the basic unit of structure and function in living things
New cells come from existing cells
400
What is a pigment, what pigment is essential for photosynthesis and what color does it reflect?
A pigment is a light absorbing molecule, chlorophyll is the main pigment involved in photosynthesis and it reflects green light.
400
What does glycolysis mean? What are the products and where does this occur. Also is it aerobic or anaerobic?
Breaking down sweets. Product is pyruvic acid. Occurs in cytoplasm and is anaerobic.
500
Recall Redi's experiment. What was the independent variable? What was the dependent variable?
Independent: Jar covers
Dependent: Presence of maggots
500
What are the four organic macromolecules and what are their monomers?