Chemistry of Life
Cellular Structure
Genes and the Cell Cycle
Major Themes
100
Varieties within one element, differ only in number of neurons

What is an isotope?

100

A layer of carbohydrate molecules covalently bonded to the phospholipids and proteins of a plasma membrane

What is the glycocalyx?

100
UAG, UGA, and UAA are examples of this

What are stop codons?

100

Tapping on the body and listening for abnormalities and feeling

What is percussion?

200

The sum of all chemical reactions in the body

What is metabolism?

200

Sperm cells have the only functional _______ in humans

What is flagella?

200
This form of RNA binds free amino acids and delivers them to ribosomes

What is tRNA?

200

The microscopic examination of tissues for disease

What is histopathology?

300
This disaccharide is made of glucose and fructose

What is sucrose?

300
A system of microfilaments, intermediate filaments, and microtubules in a cell

What is the cytoskeleton?

300
This enzyme binds to DNA and assembles RNA
What is RNA polymerase?
300

statement derived from facts, laws, and confirmed hypothesis

What is a theory?
400

This lipid is amphiphilic and has a phosphate group in place of a fatty acid which links to other functional groups

What is a phospholipid?

400

These organelles resemble lysosomes but use different enzymes to neutralize free radicals, decompose fatty acids, and detoxify alcohol

What are peroxisomes?
400

During this phase of mitosis, chromosomes gather at poles and new nuclear membranes appear.

What is telophase?
400

Remnants of structures that were influential to ancestors

What are vestigial organs?

500
This is the most important energy-transport molecule

What is adenosine triphosphate (ATP)?

500

These organelles are small granules of protein and RNA

What is a ribosome?

500

During this phase of the cell cycle the cell duplicates centrioles and DNA

What is S phase?
500

In this form of feedback the body activates mechanisms to reverse a change

What is negative feedback?
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