Which macromolecule is made of carbon, hydrogen, oxygen and only has carbon and hydrogen in it's tail?
Lipids
What is the smallest level of organization?
Cell
A dog barks at a stranger. Which characteristic of living thing is best described?
respond to stimulus (environment)
Which macromolecule provides short term energy?
carbohydrates
small chemical unit that makes up polymers
What is a monomer
DNA and RNA are examples of which macromolecule?
Nucleic acids
What is a group of tissues working together?
An organ
A person eating carbohydrates the night before a race - which characteristic of living thing best represents this example?
must obtain and use energy
What are the monomers of lipids?
Fatty acids
type of reproduction that does not involve the fusion of gametes or change in number of chromosomes
what is asexual reproduction
What elements make up proteins?
what is carbon, hydrogen, oxygen, and nitrogen
A group of cells that work together is called?
A tissue
A moth caterpillar forms a cocoon - which characteristic of living thing best represents this example?
Grows and develops
What are the elements of a nucleic acid?
carbon, hydrogen, oxygen, nitrogen, and phosphorus
substance that speed up a chemical reaction
what is a catalyst
What is the monomer for proteins?
amino acids
The digestive system includes the esophagus, stomach, and intestines. What level of organization is the digestive system?
Organ system
Cats mate and produce kittens - which characteristic of living thing best represents this example?
Reproduction
Enzymes are an example of which macromolecule?
protein
protein catalyst that speeds up the rate of chemical reaction by lowering the activation energy
enzymes
You can find me in a long chain structure or a ring structure
What is carbohydrates
What is the order of the levels of organization from most simplest to most complex?
Cell, tissue, organ, organ system and organisms
A runner sweats on a hot day - which characteristic of living thing best represents this example?
Maintain homeostasis or maintain stable internal state
Which macromolecule is essential for protein synthesis
what is nucleic acids
reactant of an enzyme-catalyzed reaction
what are substrate