Study guide questions Flashcards
Biology is the study of ________.
Life
God made the earth “ex nihilo” which means….
“Out of nothing”
The task of exercising wise dominion and stewardship over God’s creation is often call what?
The creation mandate
List 6 characteristics shared by all living things.
Cells, reproduction, metabolism, organization, growth and response
A physical representation of a system of ideas, events or processes.
A scientific model
The logical procedure for answering a scientific question is known as…
The scientific method
What is a simple, testable statement that predicts the answer to a question?
Hypothesis
Another name for the independent variable is what?
manipulated variable
Another name for the dependent variable is what?
response variable
What is the study of matter and the changes it experiences?
Chemistry
What are the 3 particles that make up an atom?
Protons, Neutrons and Electrons
What is the nucleus of an atom made up of?
Protons and Neutrons
Organic compounds all contain what element?
Carbon
How is matter defined?
Anything that 1)occupies space and 2) has mass
The attraction of one water molecule for another is known as what?
Cohesion
What kind of compounds form when atoms share electrons?
Covalent compounds
What kind of compounds form when atoms are held together by opposite charges?
Ionic compounds
Do exothermic reactions give off or gain heat?
Give off heat
Is a solution with a pH of 3.2 an acid or a base?
Acid
A naturally occurring catalyst that helps to speed up reactants is called what?
Enzyme
How are prokaryotic cells different from eukaryotic cells?
Eukaryotic cells have a nucleus; Prokaryotic cells do not
What organelle modifies and packages the products of the cell?
Golgi apparatus
Which organelle breaks down compounds into small particles that the cell can use?
Lysosome
Which organelle makes proteins using coded instructions that come from the nucleu?
Ribosomes
Which organelle converts the chemical energy stored in food into compounds that are more convenient for the cell to use?
Mitochondria
What acts as a barrier that controls what enters and exits a cell?
Cell membrane
Name an organism that does not have eukaryotic cells.
Bacteria
When cells and the surrounding solution contain equal amounts of solute, the solution is said to be?
Isotonic
The diffusion of water across a selectively permeable member is called?
Osmosis
Rough ER is rough because it is studded with what?
Ribosomes
Photosynthesis uses sunlight to convert water and carbon dioxide into what?
Glucose and oxygen
The molecule that cells uses to temporarily store energy is what?
ATP
Energy is released from ATP when it reacts with water to produce what?
ADP
What do nucleic acids (like DNA and RNA) store?
Information
The 2 strands of the DNA “ladder” are held together by what?
Hydrogen bonds
What is the difference between an atom’s atomic number and its mass number.
The atomic number is the number of protons an atom has in its nucleus; the mass number is the number of protons AND neutrons in its nucleus.
True/False Water is considered a polar molecule.
True - due to the unequal distribution of its electron density.
What is a group of organs that work together to perform a specific function;
An organ system
What is the main function of the cell wall?
To support, shape, and protect the cell
Name an organism that does not have eukaryotic cells.
Bacteria
The cellular organelle that reads an RNA strand and assembles amino acids into a protein
Ribosome
Transfer RNA aligns its amino acid in the proper sequence by matching its ________ to the corresponding codes on the messenger RNA.
Anticodon
What is produced during transcription?
mRNA
Why do cells have a ready supply of ATP?
It acts as their primary energy storehouse.
Who was brought under the curse by Adam and Eve’s sin?
Both Adam and Eve with their descendants, the plants and animals.
Why did God create people?
1) to have fellowship with Him, 2) to fill the earth, 3) to have authority over the earth
A controlled experiment allows the scientist to isolate and test…
One variable at a time.
