Characteristics of Living Things
Nutrition
Respiration
Regulation
Cells
100
What is protein made from?
amino acids
100
What do autotrophs do?
Make their own food
100
What is the energy source of all living things?
ATP
100
What is a stimulus?
A change in the environment
100
Cells are the basic unit of life. All living things (except viruses) are made up of cells. The cell theory states:
1) All living things are made of up 1 or more ______
2) Cells carry out all of an organism's life __________
3) All cells come from ________ _________
cells
functions
other cells
200
What are all carbohydrates made from?
Do carbohydrates supply energy?
Simple Sugars (like glucose)
Yes
200
What do heterotrophs do?
Eat other organisms
200
Respiration is a process that takes __________ from __________________ and places it in molecules of _________.
energy from sugar molecules
ATP
200
What is a neuron?
A nerve cell
200
Do animal cells and plant cells have a cell membrane?
What does the cell membrane control?
YES
All cells have a cell membrane.
Movement into and out of the cell
300
What do lipids store?
Energy
Includes fats, oils, and waxes
300
What do you call the process by which plants make their own energy?
What do plants use to create energy?
What do plants produce during photosynthesis?
photosynthesis
sunlight, water, and carbon dioxide
oxygen and energy in the form of sugar
300
Do all organisms, including plants, use respiration to get their energy?
YES
300
What is the electrical signal carried by the nerve?
An impulse
300
State at least 2 differences between animal cells and plant cells.
plant cells have a cell wall, animal cells do not
plant cells have cholorplasts, animal cells do not
animal cells have centrioles, plant cells do not
animal cells usually have many, small vacuoles, plant cells usually have fewer, larger vacuoles
400
What 2 elements do organic compounds have?
Is C6 H12 O6 organic?
Is H2 0 organic?
Carbon and Hydrogen
Yes - It has Carbon and Hydrogen
No - It has Hydrogen but not Carbon
400
What is the name of the holes in the leaves that allow them to exchange gases in photosynthesis?
What opens and closes the stomates to keep the plant from dehydrating?
stomates
guard cells
400
What does aerobic respiration require?
oxygen
400
What is a chemical signal secreted by different glands in the body?
Name at least 2 of them.
A hormone
insulin, adrenaline, testosterone, estrogen
400
When discussing the cell membrane, what is selective permeability?
only some molecules can pass through
500
What are the 4 most common elements found in living things?
Carbon, Hydrogen, Oxygen, Nitrogen
(CHON)
500
What 2 parts of the plant carry food and water throughout the plant?
xylem and phloem
500
Does aerobic respiration or anaerobic respiration release more energy?
aerobic respiration produces requires oxygen and releases more energy (ATP) but more slowly
anaerobic respiration does NOT require oxygen and produces less energy (ATP) but more quickly
500
What are the proteins on the surface of of the cell membrane that receive signals from the nervous and endocrine system called?
receptor molecules
It is the shape of the receptor molecule that determines its function
500
What is it called when a cell must use energy (ATP) to move a molecule?
active transport