Exam 1

Intro to Bio

100

Name any of the 6 properties of life? 

Order, Response to environment, Reproduction, Homeostasis, Energy processing, and evolutionary adaptation 

200

According to Scientific Method, a hypothesis must be _______ and experiments must have _______ 

Testable; controls 

300

What are the 3 domains of Life

Bacteria, Archaea, Eukarya 

400

Fossils show similar bone structures between humans and dolphins, implying existence of a common ancestor. This statement describes what property of life? 

Evolutionary adaptation 

500

Grass utilizes sunlight to make sugar out of carbon dioxide. This statement describes which property of life? 

Energy processing 

Chemistry

100

The density of cold water _____ than that of ice 

More than; ice floats 

200

What is the charge on an ion with 7 protons, 7 neutrons, and 10 electrons 

N -3

300

Cohesive nature of water is due to which type of bond? 

Hydrogen bonds 

400

This functional group is polar and contains two acidic hydrogens; found in every protein molecule 

Amino group 

500

What type of bond is between the C and H in lipid hormone

Nonpolar covalent 

Macromolecules

100

A molecule containing an amino group, carboxyl group, and an R chain sounds like which type of monomer?

Amino acid 

200

Sucrose (table sugar) results from a glucose and fructose molecule. Sucrose is an example of a _____-mer

Dimer 

300

To keep the inside and outside of a cell separate, a hydrophobic barrier of _______ exists called the plasma membrane 

Phospholipids 

400

Strach, glycogen, chitin, and cellulose are examples of complex _________

Carbohydrates 

500

The backbones of DNA run 5'-3' and 3'-5'. This arrangement is called... 

Antiparallel 

Cells

100

Name any cell structure found in ALL cells 

Ribosome, plasma membrane, cytoplasm, DNA 

200

Mitochondria and Chloroplast were once free-living bacteria. Over time, they have evolved to live solely within eukaryotic cells. This statement describes... 

Endosymbiotic Theory 

300

Millions of tiny cells are better than one big cell because it allows for a greater ________, thus allowing for more efficient diffusion. 

Surface area 

400

Cardiac muscle cells contain channels between cells allowing electric current to travel between cells. These channels are called what?

Gap junctions

500

A cell produces a complex steroid hormone and sends it out into the bloodstream. Where in the cell is this hormone produced? 

Smooth ER

Fun Facts

100

What is Devin's favorite food 

Apple pie

200

What is the most commonly eaten American food? 

Hamburger 

300

What is the only bird that can fly backward?

Hummingbird 

400

What is the most popular Halloween monster 

Vampire 

500

What color is a polar bear's skin? 

Black