Experiment 2: The Neuromuscular Junction
Each skeletal muscle is connected to the nervous system be motor end units. When the
neurotransmitter acetylcholine is release at this site, the muscle fiber depolarizes.
Calcium ions are released from stores in th
Activity 3.2.6: In Search of Energy
Lost in the desert, Mauro Prosperi searched for the energy to survive. Food was
scarce, but he knew if he did not find something to nourish his cells, his body would
give out. Food is our primary cellular f
Stuff to have clear is that the anytime chromosomes metaphase are mot called chromosomes is in
metaphave one of meiosis so at thattimetheyare called tetrads
Biology 150 Workshop V
Mitosis, Meiosis and Mendelian Genetics
Part I: Mitosis/ Meiosis
1. Have di
American Beginnings: Born in Adversity and Change
-The American beginnings of public relations appear in the American Revolutions struggle for
power between the patriots grassroots movement and the commercial, properties Tories.
Before the Revolution
Introduction: Philosophy and the Search for Wisdom
-The word philosophy comes from Greek roots meaning the love of wisdom.
-The earliest philosophers were considered wise men and women, or sages, because they devoted
themselves to asking big questions
Reputation, Defamation, and Privacy
-Defamation is the legal term for wrongfully harming an individuals reputation.
-Public relations practitioners responsible for writing news releases, speeches, corporate reports,
newsletters, brochures, and other commu
Chapter 1: Measurement and Mathematics
1.0 | Introduction
-Physics will teach you to measure quantities such as displacement, velocity, and acceleration
which are crucial to understanding motion.
-Physics has things to quantify such as how mass and period
Unit 1 Exam
Describe the principles of biology (1.1)
1. Cells are the simple units of life. Organisms maintain an internal order. The simplest unit
of organization is the cell.
2. Living organisms use energy: Organisms need energy to maintain internal ord
Chapter 5: Membrane, Structure, Synthesis, and Transport
-Membranes have an importance in regulating the traffic of ions and molecules into and out of
-Cellular membranes, also known as biological membranes, are an essential characteristic of all
Chapter 3 The Chemical Basis of Life II: Organic
The carbon atom and organic molecules
Formation of organic molecules and macromolecules
-All life is composed of atoms, which in turn comb
An Introduction to Biology
-Biology is the study of life.
-The diverse forms of life found on Earth provide biologists with an amazing array of organisms
-Biologists have discovered that plants can communicate with each other.
-The study of life
Chapter 2: The Chemical Basis of Life I: Atoms, Molecules,
-Living organisms are composed of chemicals, which are altered via chemical reactions; these
reactions occur between atoms and molecules and may require, or in some cases release, energy
Life in Extreme Environments
-Life can be found in the most unexpected places; in some of earths most extreme environments,
extremophiles tolerate conditions that would kill other creatures.
-Extremophiles teach us about the limits of life, a
What is Fat?
-The amount of fat we eat doesnt impact our weight or our cholesterol or our risk of heart
disease nearly as much as what kind of fat we eat.
-Fat is made up of molecules called triglycerides, and they arent all alike.
-Glycerol is the
How Science Works
-Science isnt a linear, step-by-step fashion.
-Science is unpredictable, its dynamic.
-Science often comes down to trial and error.
-Electronegativity is the ability of an atom to attract towards itsel
Overview of Cell Structure
-Cells are the smallest living units of an organism.
-All cells have three things in common no matter what type of cell they are.
-All cells have a cell membrane which separates the inside of the cell from its environment, a
Functions of Proteins
-In eukaryotes, most of the genome is contained within chromosomes thatre located in the cell
-Most genes encode mRNAs that contain the information to make proteins.
-Cell signaling: Proteins are needed for cell sig
Feature Investigation: Anfinsen
Anfinsen Showed That the Primary Structure of Ribonuclease Determines its
Prior to the 1960s, the mechanisms by which proteins assume their 3D structure werent
Christian Anfinsen post
Exercise 2: Macromolecules and You Food and Diet
-After completing this exercise, youll be able to
1. Define macromolecule, vitamin, mineral, carbohydrate, monosaccharide, disaccharide,
polysaccharide, lipid, protein, amino acid, calor
Exercise 4 Diffusion, Osmosis, and the Functional
Significance of Biological Membranes
-Living cells are made up of 75 85% water.
-Virtually all substances entering and leaving cells are dissolved in water, making it the solvent
Chapter 4 General Features of Cells
4.0 | Introduction
-Cell biology is the study of life at the cellular level.
-Although cells are the simplest units of life, biologists have come to realize that theyre
wonderfully complex and interesting, providing inf
o Seasonal temperature is often an important cue in reproduction
o Climate change can decrease reproductive success as a result
Some organisms can reproduce both asexually and sexually
The egg can
The Energy of Life:
You Must Know
Table of Contents
Data Table 1.7
Data Table 2 7
Data Table 3.8
1. How might FID change with changing (a) predation risk (For example, if the predator could run
faster or there were multiple predators) (b) distance to cover? (For example, if both the distance
from the predator to the prey, and the distance from the pr
a) In excel, graph the mean number of balls collected vs. the outcomes for each treatment (high
and low resource abundance; an example of the type of graph you should make it below. Do not
submit this example graph, you must create your own). Be sure t
The optimal flight-initiation distance, FID is that in which the probability of starving and predation are
lowest, representing a balance between foraging and fleeing. In the spaces below please answer the
questions using complete tho
The experimental setup permitted the means to calculate the equilibrium constant for the reaction of
iron (III) and thiocyanate yielding ion iron thiocyanate. The primary step within this three part lab was to
become accustomed with the use of
Extra Credit # 2
Maria Carla Robaina
Obesity is an enlargement of adipose tissue to store excess energy intake. Adipose tissue grows
by two mechanisms: hyperplasia (cell number increase) and hypertrophy (cell size increase).
Data Table 1: Serial Dilution and Spectrophotometer Practice
1 Dark, blood red
2 Red wine
4 Transparent yellow
Data Table 2: Le C
A chemical reaction is depicted as the process involving the interaction of two or more substances, the
reactants, resulting in the formation of new substances, the products. A typical chemical reaction
expected to go to completion encompasse
1. What is the difference between methyl alcohol and ethyl alcohol? How is each of these
alcohols processed by the human body?
First of all, we need to know the definition of alcohol. According to the Biology Online Dictionary:
Alcohol is an organic compo
The steps of the scientific method used in this experiments are: The
scientists made an observation based in a study in 2002 that prove that the
consumption of coffee in high quantity is related with low production of type
2 diabetes1. In this qualitative