Exercise 1: What Is It?
A chemical laboratory contains special equipment to use while you are performing an
experiment. Locate each of the items pictured on the following pages in your lab kit, and
place a check mark in the appropriate place when you find
Exercise 4: Accuracy and Precision
For the following, determine whether the information is accurate, precise, both or neither.
1. During gym class, four students decided to see if they could beat the norm of 45
sit-ups in a minute. The fir
Anything that has mass and occupies space is
Is made up of atoms and Molecules.
Are the smallest particles of matter.
They make up everything around us
Two or more atoms bonded together,
representing the smallest
Slime Observations: Gooey, clear, leaves a water residue, some clumps, solid
strength but breaks easily. Not cohesive.
Hypothesis for Silly Putty (Procedure Part 2, Step 7): I believe the Silly Putty will
pick the highli
Table 1: Experiment 1 Variables
1. Distilled Water
The green and blue moved at equal
Exercise 1: Data Interpretation
Dissolved oxygen is oxygen that is trapped in a fluid, such as water. Since many living
organism requires oxygen to survive, it is a necessary component of water systems such as
streams, lakes and rivers in
Table 2: Initial Litmus Test Results
Red Litmus Results Additional Observations
Water + Bicarbonate
Blue - Base
Red - Acid
Table 3: Neutralization of an Acid
Amount of Bas
Exercise 2: Testable Observations
Determine which of the following observations are testable. For those that are testable:
Determine if the observation is qualitative or quantitative
Write a hypothesis and null hypothesis
What would be you
Exercise 5: Significant Digits and Scientific Notation
Part 1: Determine the number of significant digits in each number and write out the
specific significant digits.
3. 39.999999 8
4. 13.00 4
5. 80,000,089 8
Record the final color in Table 1.
Note: Protein is present in the sample if a light purple color is observed.
Table 1: Testing for Proteins Results
1 - Albumin Solution
A solution with low osmotic pressure loss fluid to the region of high osmotic pressure by diffusion
Table 6: Sucrose Concentration vs. Tubing Permeability
Initial Volume (mL)
Final Volume (mL) Net Displacem
Table 2: Results from Surface Area to Volume Experiment
1 cm x 1 cm x 1 cm
1 cm x 1 cm x 2 cm
1 cm x 1 cm x 6 cm
Surface Area (cm2) Volume (cm3)
Time Required for Complete
Exercise 3: Unit Conversions
For each of the following, convert each value
into the designated units.
1. 46,756,790 mg = 46.75679 kg
2. 5.6 hours = 20160 seconds
3. 13.5 cm = 5.314961 inches
4. 47 C = 116.6 F
2013 eScience Labs, LLC.
stopped and released.
Stops: Breath is
Breath is stopped and
Point of Articulation
Schedule, Spring 2016
BIOL 3030 - CAREERS IN THE LIFE SCIENCES
Career Choices and Survival Skills
190, Environmental Science Building, 1-1:50 Fridays
Dr. M.L. Burleson (office hours: 9-10 MWF) email@example.com
Office of Nationally
Chapter 19-The Citric Acid Cycle
1. The citric acid cycle is the only metabolic pathway that can be used both as an
anabolic and as a catabolic pathway.
2. Which of the following statements concerning the citric acid cycle as t
Answers, I used 9th ed.
What are the 3 tRNA binding sites found in a ribosome and what does each do?
A site exposes the codon representing the next aminoacid and binds corresponding aminoacyl-tRNA
P site site for peptidyl-tRNA (=
1. Describe and diagram the regulation/expression of the lac operon in E. coli.
(verified by Jody)
Figure 26.08: lac repressor maintains the lac operon in the inactive condition by
binding to the operator. The shape of the repressor
Using the Genetic Code
Describe and diagram how amino acids are attached to tRNA molecules. What are the enzymes that
carry out this process called? What is the energy source? How many of these enzymes (different
ones) are found in a cell?
New book examples
a. RNA editing: A change of sequence at the level of RNA following transcription
b. hammerhead RNA:
What is RNA editing? Diagram/describe two examples of types of RNA editing.
a. Changes are introduced at i
Chapter 20-Electron Transport and Oxidative
1. When mitochondria are actively carrying out aerobic respiration
A. the pH of the matrix is greater than the pH of the intermembrane space.
B. the pH of the matrix is less than the p
Chapter 18-Storage Mechanisms and Control
in Carbohydrate Metabolism
1. Which of the following statements concerning branched polymers like glycogen is
A. Branched polymers are more accessible to enzymes since they bond more water.