Characteristics of Life
What is the special word we use to describe the Characteristics of Living Things
DOGSREACH
What is the smallest level of organization?
Atoms
True or False
Atoms make up elements
True
What are the four macromolecules?
Carbohydrates
Lipids
Proteins
Nucleic acids
What are the two types of cellular reproduction?
Sexual and asexual
Are there cells in atoms?
Why or why not?
No because atoms make up cells.
What are the 4 most common elements in living things?
Carbon
Hydrogen
Oxygen
Nitrogen
What is the monomer and polymer for Carbohydrates ?
Monomor = MONOSACCHARIDES (ex: simple sugars like glucose, galactose, fructose)
Polymer = POLYSACCHARIDES (ex: Starch, glycogen, cellulose)
What are the two types of cell division?
Cell division (mitosis)
Cell enlargement
Fill in the missing level of organization..
Macromolecules --> Organelle --> Cell --> ________ _ ---> Organs
Tissues
What are two examples of compounds/molecules?
H2O water
CO2 carbon dioxide
CO carbon monoxide
NaCl table salt
HCl hydrochloric acid
True or False:
Proteins are the first macromolecule the body uses for energy and carbohydrates are the last macromolecule the body uses for energy.
FALSE
Proteins are the LAST macromolecule the body uses for energy and carbohydrates are the FIRST macromolecule the body uses for energy.
What is metabolism?
How our body breaks down food for energy
True or False:
Compounds are more complex than elements.
False:
Elements make up compounds
What are the two types of bonds that are in molecules/compounds?
How are they different
Ionic bonds show a transfer of electrons while covalent bonds share electrons.
What is the only macromolecule not used for energy?
Where is it found?
Nucleic acids are found in DNA
When our body is sick and we have a fever, our body is working extra hard to get back to __________.
Homeostasis
True or False:
The levels of organization go in order as follows:
Atoms --> Molecules --> Macromolecules --> Cells --> Organelles --> Organs --> Tissues --> Organ systems --> Organisms
FALSE
Atoms --> Molecules --> Macromolecules --> Organelles--> Cells --> Tissues --> Organs --> Organ systems --> Organisms
True or False:
Atoms make up Compounds which then come together to form Elements.
False
Atoms make up ELEMENTS which then come together to form COMPOUNDS.
What is the most important macromolecule in the body?
Name two functions of it
Proteins:
Functions:
1. Enzymes control the rate of chemical reactions
2. Hormones regulate cell processes (ex. Insulin)
3. Used to form bones and muscles (ex. Collagen)
4. Transports substances in & out of cells (ex. Hemoglobin)
5. Antibodies help fight diseases
6. Food source (Ex. Casein in milk)