Flashcards in BioChemQuizSummary Deck (91)
Two differences between a Prokaryotic and Eukaryotic cell
1. Mammalian cells are eukaryotic.
2. Eukaryotic cells have a nucleus.
T/F Cilia is an organelle only found on a Eukaryotic cell and is used by the cell for locomotion.
It's not ONLY found on a eukaryotic cell.
A law is best described as ...
A hypothesis or theory that is tested repeatedly with the same results and thought to be without exception.
Name a component of most proteins
What's necessary for cellular energy?
What's a component of all protein and nucleic acid?
Name the positive ion for extracellular tissue
How many elements occur in nature?
A hypothesis is a ...
Statement or idea that describes or attempts to explain observable info.
An experiment is ...
A controlled testing of the properties of a substance or system through carefully recorded measurements
A theory is ...
It predicts the outcome of new testing based on past experimental data.
Changing of matter is called ...
Protons are ...
1. Subatomic & exist in the core of an atom
2. Have a positive charge
3. Are found in the nucleus
Atoms are ...
The smallest particles "not divided"
Solids have ...
A definite shape and volume
Describe physical properties
Color, form, density
There are 2 types of mixtures, what are they?
When 2 liquids do mix they are called?
What should you think when you hear mitochondria?
Powerhouse of the cell, where ATP is made.
When measuring %, what is the purpose and formula for it?
? / ? Total x 100 = %
To better understand what we are dealing with when measuring chemistry.
Describe how an enzyme works in the body
1. Enzyme comes together with the substrate
2. They combine to form the enzyme substrate complex
3. They separate into the enzyme and the new product (the enzyme can be used again)
Name 3 of the six globular protein functions
1. Contact signaling (cells talk to each other, two proteins on the outer layer attach to each other briefly or for cell-to-cell adhesion
2. Chemical signaling (Receptors on cell's surface attach with a ligand (e.g. insulin) to initiate a chemical reaction inside the cell.
3. Channel proteins (Transport of molecules through the plasma membrane. It's a passive process and therefore does not require ATP.
T/F Density is the measure of mass over the weight of a substance, which is grams per milliliter.
What is the function of an enzyme?
To lower the activation energy
What is the primary role of peroxisomes?
They are the spa of the cell.
They help counter free radical damage.
They carry two major types of enzymes: peroxidase, which assists in converting free radicals to hydrogen peroxide, and catalase, which reduces hydrogen peroxide to water.
The atomic number is equal to ...
the number of protons in the nucleus of an atom
What is the octave rule?
A rule showing the repeated chemical groups every eight elements
How many families of elements are there?
What does each period end with?
A noble gas