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*Biology
Final Exam 2
25
Biology
Undergraduate 1
12/10/2014

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Term
Polar covalent bond
Definition
A chemical bond that results from the sharing of electrons between two atoms where one atom has a higher affinity for electrons than the other is called a:
Term
The atom has one more electron than protons
Definition
If an atom has a charge of -1 which of the following must be true?
Term
Fatty acids
Definition
You isolate a large biological molecule and determine that it is entirely non-polar. Because of this molecular property you can guess that this molecule is most likely composed of:
Term
Solution 3: pH = 14
Definition
Which of the following solutions would be considered more basic (alkaline) than a solution with a pH = 7?
Term
Solution 3: pH = 14
Definition
Which of the following solutions would be considered more basic (alkaline) than a solution with a pH = 7?
Term
Melanocytes
Definition
Which are specialized cells found at the base of the epidermis that produce pigments designed to protect the body from the damaging effects of ultraviolet radiation?
Term
Within the non-polar intra-membrane region formed by the phospholipid tails
Definition
Cholesterols are lipids that are commonly found in the membranes of eukaryotic cells. In what region of the phospholipid bilayer would you expect to find cholesterol embedded?
Term
Ribosomes
Definition
Which of the following organelles are found in both prokaryotic and eukaryotic type cells?
Term
Mitochondria
Definition
Sperm cells require large amounts of ATP for activity. You would expect these cells to have a larger volume of :
Term
Rough endoplasmic reticulum
Definition
Which organelle is responsible for the synthesis of proteins:
Term
Neutrons
Definition
To change the atomic weigh of a particular element (make an isotope) you would need to change the number of:
Term
Smooth endoplasmic reticulum
Definition
Which of the organelles is responsible for the production of phospholipids?
Term
Mitochondria
Definition
The oxygen requiring processes of cellular respiration occur within the________.
Term
They lower the energy required for a reaction to occur
Definition
Which of the following is true of enzymes?
Term
Your skin
Definition
The largest organ of your body is ________.
Term
Protons
Definition
Alchemists were medieval scientists that often spent their lives attempting to turn lead (atomic number 82) into gold (atomic number 79). What sub-atomic particle would they have had to manipulation in order to make this change occur?
Term
Vitamin D
Definition
A person exposed to continuous sunlight is likely to be making which vitamin within his or her body?
Term
Plants
Definition
Suppose that a new poison has just come onto the market that will kill any organism without a nucleus. Which type of organism is most likely to survive?
Term
Facilitated diffusion
Definition
The process by which molecules travel with the concentration gradient and pass through the cell membrane with the assistance of a protein is called ________.
Term
Golgi complex
Definition
Which is a membranous organelle that chemically modifies and ships proteins to other organelles or out of the cell?
Term
The electron transport chain
Definition
Most of the energy used by the cell is converted to ATP during ________.
Term
Lysosomes
Definition
White blood cells (macrophages) in the reticuloendothelial system recycle worn out red blood cells and digest foreign invaders. Which organelles would you expect to be especially numerous in these cells?
Term
Osteoblasts
Definition
Which of the following cells form new calcified bone in bone tissue?
Term
Red marrow
Definition
What forms within the spaces of spongy bone and functions to produce blood cells?
Term
She may experience significant bone loss both due to the lack of calcium and the fact that the fetus requires extra calcium that will be removed from her own bone tissue
Definition
Calcium intake is of concern to women during pregnancy. If a woman for whatever reason does not get enough calcium in her diet during pregnancy, what is likely to happen to her bone tissue?
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