Gen Bio exam 1 review

Organelles and cells

100

double membrane, stores and protects DNA, controls cell activity through protein. What am I?

Nucleus 

200

Packaging factory, I export proteins throughout the cell! What am I?

Golgi bodies

300

Phospholipids have ______ heads and ______ tails and form a bilayer membrane

Hydrophilic, hydrophobic

400

Proteins imbedded in the bilayer are floating in a layer of liquid called what

Fluid Mosaic (dynamic flowing structure)

500

I store dangerous material like digestive enzymes and poisons

Lysosomes

Chemistry

100

the nucleus of an atom is made up of

protons and neutrons

200

Name all biological critical elements

CHONPS

300

Needed by most species (not all) in small amounts

Trace elements (Ca, Fe, Mg...)

400

Why is sulfur important

important in protein and enzyme shape

500

describe covalent vs ionic vs Hydrogen bonds

Covalent: sharing electrons of 2 atoms, strong, single double or tripple (N2 gas)

Ionic: one atom has stronger attraction to the electron (NaCl)

Hydrogen: weakest

organic molecules

100

General formula is C_nH_2nO_n, simple sugars, usually forming rings of C

Carbohydrates

200

Chitin is a branching polysaccharide and starch is a nonbranching pollysaccharide

false

Chitin: non branching

Starch: branching

300

What reaction done by ribosomes forms proteins

Condensation

400

What are the parts of RNA nucleotide

Ribose sugar, Phosphate, nitrogenous base

single stranded

500

Describe the difference between saturated fatty acids, unsaturated, triglycerides, and phospholipid

Saturated: no double bonds, all H filled, fats

Unsaturated: double bond (kinked), oils/liquids

Triglycerides: glycerol head and 3 chains of fatty acids

Phospholipid: phosphate head and 2 fatty acid chains

Glycolysis

100

ATP stands for

adenosine triphosphate

200

What stores energy the longest

fats

300

What are the substrates for the prep step

Pyruvate and NAD

400

What are the products of the krebs cycle

ATP, NADH, FADH, CO2

500

What is the respiration summary equation

C₆H₁₂O₆ + ADP + P + O₂   -->   CO₂ + ATP + H₂O

Describing life

100

Who is the father of taxonomy and what naming system did he come up with

Linnaeus, Binomial nomenclature

200

A species is a group of organisms that can reproduce fertile offspring is the definition of what

Biological species concept

300

What is the correct order of basic taxonomic units from largest to smallest

Domain, kingdom, phylum, class, order, family, genus, species

400

Name the 7 characteristics of life

highly organized, life uses energy, reproduce, grow and develop, respond to stimuli, have adaptations, maintain themselves

500

Sort life from smallest to largest 

atoms, molecules, organelles, cells, tissues, organs, organ systems, organisms, population, species, community, ecosystem, biome, biosphere