Unit 1 Unit 2 Unit 3 Unit 4 Unit 5 100 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 500 500 500 500 500

What are constants in an experiment? $100 What are constants in an experiment?

The parts that are kept the same throughout the entire experiment

What is the independent variable of an experiment? $200 What is the independent variable of an experiment?

The part of the experiment that has been purposefully changed

$300 What is a hypothesis and what happens if an experiment finds it to be wrong?

A testable prediction and an experimenter should record their findings and try again

Starting at cell what is the hierarchy (levels) of life? $400 Starting at cell what is the hierarchy (levels) of life?

Cell, tissue, organ, organ system, organism, population, community, ecosystem, biome, biosphere

What are the 8 characteristics of life? $500 What are the 8 characteristics of life?

Reproduce, homeostasis, respond, use energy, grow/develop, organized in cells, adapt, and as a whole they evolve!

What subatomic particles are found in the nucleus of an atom? $100 What subatomic particles are found in the nucleus of an atom?

PROTONS AND NEUTRONS

What type of bonds does carbon like to form and how many? $200 What type of bonds does carbon like to form and how many?

4 STRONG COVALENT bonds!

Why is water considered polar? $300 Why is water considered polar?

Because of the uneven attraction of valence electrons, oxygen has a slight negative charge and hydrogen has a slight positive charge

$400 What is the molecular shape of glucose? What macromolecule group does it belong to?

Hexagon, carbohydrates

$500 What is the purpose of an enzyme and how does it relate to its substrate?

Enzymes lower the energy needed for a reaction to increase the speed of reaction, and are very specific to one substrate, they fit together like a lock and key.

$100 What is a food chain?

A single pathway of energy

$200 If producers in a food chain have 1000kcal available to them, how much will the SECONDARY consumers have?

10 kcal

If a relationship helps one but hurts another it is called? $300 If a relationship helps one but hurts another it is called?

parasitism

$400 What is succession? What type of organisms are usually pioneer species?

The predictable sequence of changes in an ecosystem after a disturbance. Pioneer species are usually autotrophs that can withstand harsh conditions.

What is the carrying capacity of a population ? $500 What is the carrying capacity of a population ?

The maximum number of individuals of one species that an area can hold

What is the main difference between prokaryotes and eukaryotes? $100 What is the main difference between prokaryotes and eukaryotes?

Prokaryotes do not have membrane bound organelles.

What are 3 differences between plant and animal cells? $200 What are 3 differences between plant and animal cells?

Plants have chloroplasts, cell wall, and central vacuole.

What is the purpose of the nucleus? $300 What is the purpose of the nucleus?

Hold the DNA and control the cell.

$400 What is osmosis?

The movement of water across the cell membrane from an area of high concentration to an area of low concentration.

What are 3 reasons why cells divide? $500 What are 3 reasons why cells divide?

To grow, to repair, to stay efficient.

What makes up a nucleotide? $100 What makes up a nucleotide?

Deoxyribose, phosphate, and nitrogen base

What are the base pair rules of DNA? $200 What are the base pair rules of DNA?

A= T G= C

$300 What is transcription?

When DNA is transcribed into mRNA with the base pair rules A=U T= A, G=C, C=G

What is the flow of information in protein synthesis? $400 What is the flow of information in protein synthesis?

DNA- RNA- PROTEIN

What is AUG? What is the tRNA anticodon for it? $500 What is AUG? What is the tRNA anticodon for it?

The start codon, UAC