Science Of Biology Flashcards
6 Kingdoms of Life on Earth
Archaebacteria Eubacteria Protista Fungi Plantae Animalia
what is cellular organization?
It is that All living things are composed of one or more cells.
What is a cell?
A tiny compartment surrounded by a membrane.
True or False - Cells May have a simple or complex interiors?
True
What are the three parts of a nucleic acid monomer?
Phosphate, sugar, nucleotide base
Enzymes help by (decreasing or increasing?) the activation energy.
Decreasing
Enzymes are not specific to one reaction. (True or false?)
True. Enzymes are not specific to one reaction.
Enzymes are usually which macromolecule?
Proteins.
What reactions release energy (heat)?
Exergonic
What 3 things do cells have?
Membrane, Cytoplasm, and DNA
Diffusion is the movement of molecules from (blank) to (blank) concentration.
Diffusion is the movement of molecules from high to low concentration.
Bacteria are?
Prokaryotes
Are cell membranes selectively permeable?
Yes
Active transport moves molecules from low concentration towards high concentration. (True or False?)
True
Do bacteria have a nucleus?
Bacteria do NOT have a nuclei.
What kingdom does algae belong to?
Protista
The number of protons is equal to the number of (blank) in a neutral atom.
Electrons
How many electrons are found in the innermost orbit/shell?
2
Which bond is the strongest?
Covalent bond
Which two subatomic particles make up the mass of an atom?
Protons and neutrons.
Polar covalent bonds involve equal sharing of the electron. (True or False)
True
Redox reactions involves the exchange of?
Electrons
Molecules that interact with water are?
Hydrophilic.
What are proteins made out of?
Amino acids
