Biology Basics
Cells
Energy Flow #1
Energy Flow #2
Wildcard
100

The variable that is changed on purpose in an experiment

What is the independent variable?

100

The plant cell organelle that uses light energy to produce sugar

What is a chloroplast?

100

The presence of this reduces the activation energy needed for a chemical reaction

What is a catalyst?

100

The percentage of energy that passes on to each next trophic level

What is 10%?

100

The group of animals that consume only other animals and no plants.

What are carnivores?

200

The smallest part of an element that still has the properties of that element

What is an atom?

200

The name of the cell's boundary from its environment that controls what goes in and out of the cell

What is a cell membrane?

200

A chemical reaction that absorbs more energy than it releases

What is exothermic?

200

The formua C6H12O6 refers to this compound.

What is sugar (glucose)?

200

The cells that can turn into a number of different kinds of cells as needed.

What is a stem cell?

300

The one macromolecule that humans need that we do not obtain from food

What are nucleic acids?

300

The type of cellular transport that requires a cell to use energy

What is active transport?

300

The main function of the ATP molecule

What is storing energy?

300

This is what happens to the 90% of the energy that is NOT passed on to the next organism as it is being eaten.

It is used for cell functions or lost as heat.

300

grass --> grasshopper --> robin --> bobcat

If the grass produces energy in the amount of 2000 Calories, how much energy will it pass on to the bobcat?

2 Calories

400

The lab tool used to measure liquids with precision

What is a graduated cylinder?
400

The organelle that is critical for cell division

What are centrioles?

400

Energy is released from an ATP molecule when it releases this

What is a phosphate group?

400

grass --> grasshopper --> robin --> bobcat

In this energy chain, the robin would be named a ___ in a trophic pyramid.

secondary consumer

400
The compound or chemical that humans breath out that is used in photosynthesis.

What is CO2 (carbon dioxide)?

500

If available, the body will always digest this macromolecule for energy first

What are carbohydrates?

500
An animal cell would shrivel in salt water because the water solution has this property

What is hypertonic?

500

The two functions of an enzyme

What are breaking and forming bonds?

500

The chemical process of obtaining energy energy from food

What is cellular respiration?

500

The number of homologous pairs of chromosomes humans have in their diploid somatic cells.

What is 23?