4/26/17
Announcements
Muscles pull on bones
Make one part move
relaCve to another
OKen there is a joint in
between
I will post HW5 today
Exam 4: Friday May 5
will post sample quesCons & have TA review session
next week
Muscles moving animal
4/24/17
Excita2on-contrac2on coupling
In skeletal muscle, nerves s2mulate contrac2on
Muscle T tubules: indenta2ons into the cell
ac2on poten2als spread into cell interior via T tubules
T tubules in a muscle cell are close to the
sarcoplasmic re2
4/30/2017
Unit IV: Cell Communication, Cell
Infrastructure/Motility, and Life Beyond the Cell
Chapter 15:
Cell Communication
Chapter 16:
The Cytoskeleton
Cell Cycle (online module)
Chapter 20 / Online Module: Cancer
Chapter 20 Questions/Objectives
What is
WELCOME TO BSCI330!
Spring 2017
MWF 9:00 am 9:50 am
Lecturer and Laboratory Coordinator:
Dr. Hadiya Woodham
[email protected]
Office: BPS 2238
Office Hours: Mondays 12 pm 1 pm (except on 1/30/17)
Fridays 10:15 am 11:15 am
WELCOME TO BSCI330!
Spring 2017
MW
HOMEWORK # 4 SOLUTIONS
CHE 111 002
1.
The only thing different between this problem and #4 from HW 3 is that these are ions, not neutral atoms.
Therefore, the number of electrons is NOT equal to the number of protons. There are more electrons than
protons
HOMEWORK # 7 SOLUTIONS
CHE 111 002
1.
Spring 2017
L.J. Tracey
This is just like problem #2 on Homework #6. Find the moles of nitrate ions from both solutions:
1 L solution 0.2894 mol Ca(NO3 )2 2 mol NO3
= 0.3095 mol NO3
534.7 mL
1000
mL
1
L
solution
1
CHE 111 002
Spring 2017
HOMEWORK # 4
(due Monday, February 13)
L.J. Tracey
20 points
Before completing this homework assignment, I recommend that you spend some time reading the textbook
(Chapters 2 and 3), and doing some practice problems whose answers y
HOMEWORK # 10 SOLUTIONS
CHE 111 002
1.
Spring 2017
L.J. Tracey
The effective nuclear charge is Zeff which is calculated as Z S. Z is the number of protons for the atom, and S
is the shielding factor which is equal to the number of electrons in the noble g
HOMEWORK # 3 SOLUTIONS
CHE 111 002
Spring 2017
L.J. Tracey
1.
1000L 1.057 qt 2 pt 2 c 16 Tbsp 3 tsp
1 m3
842.5 mm3
3
3
3
1000 mm 1 m 1 L 1 qt 1 pt 1 c 1 Tbsp
2.
special conversion factor for this problem: 0.71 mg medicine = 1 kg body mass
= 0.1710 t
HOMEWORK # 11 SOLUTIONS
CHE 111 002
1.
A bond is nonpolar if the electronegativity difference (EN) between the two atoms is less than 0.5. A
bond is polar if EN is greater than or equal to 0.5. Electronegativity values are found in Fig. 8.6 on page
315. T
HOMEWORK # 5 SOLUTIONS
CHE 111 002
Spring 2017
L.J. Tracey
1.
Individual answers
2.
Here is the chemical equation for making pizzas: 1 crust + 2 ladles sauce + 5.00 oz cheese 1 pizza
a.
Determine how many pizzas can be made from each of the three starting
HOMEWORK # 2 SOLUTIONS
CHE 111 002
1.
Spring 2017
L.J. Tracey
Remember that the 1.8 and 32 in the conversion between C and F are exact.
a.
(419.5 C)(1.8) + 32 = 755.1 (4 sf) + 32 = 787.1 F (1 dp)
419.5 C + 273.15 = 692.65 = 692.7 K (1 dp)
b.
65 (0 dp)
97
CHE 111 002
Spring 2017
HOMEWORK # 1
(due Monday, January 23)
L.J. Tracey
14 points
GENERAL HOMEWORK RULES:
Show all work. Do not skip algebra steps. NO WORK SHOWN MEANS ZERO POINTS GIVEN.
Do not copy sentences from the textbook or another student. USE YO
CHE 111 002
Spring 2017
HOMEWORK # 9
(due Monday, March 27)
L.J. Tracey
12 points
Before completing this homework assignment, I recommend that you spend some time reading the textbook
(Chapter 6), and doing some practice problems whose answers you can che
CHE 111 002
Spring 2017
HOMEWORK # 3
(due Monday, February 6)
L.J. Tracey
16 points
Before completing this homework assignment, I recommend that you spend some time reading the textbook
(Chapter1, 2 and part of 3), and doing some practice problems whose a
HOMEWORK # 9 SOLUTIONS
CHE 111 002
1.
individual answers
2.
a.
Spring 2017
L.J. Tracey
E in the equations is joules for one photon, or joules per photon:
167.1 kJ 1000 J
1 mole
= 2.7751019 J per photon
23
mole 1 kJ 6.022 10 photons
3.
(6.626 1034 J s)(
CHE 111 002
Spring 2017
HOMEWORK # 2
(due Monday, January 30)
L.J. Tracey
12 points
Before completing this homework assignment, I recommend that you spend some time reading the textbook
(Chapter 1 and part of 2), and doing some practice problems whose ans
CHE 111 002
Spring 2017
HOMEWORK # 12
(due Monday, April 17)
L.J. Tracey
16 points
YOU MUST TURN IN THIS SHEET WITH YOUR ASSIGNMENT.
Staple all pages together.
Make sure your name is on the first page.
Before completing this homework assignment, I recomme
HOMEWORK # 1 SOLUTIONS
CHE 111 002
Spring 2017
L.J. Tracey
Individual answers for #1-4
5.
6.
7.
A chemical change involves substances changing into other substances. A physical change does not, it only
involves changes in physical properties.
a.
CHEMICAL
CHE 111 002
Spring 2017
HOMEWORK # 5
(due Monday, February 20)
L.J. Tracey
14 points
Before completing this homework assignment, I recommend that you spend some time reading the textbook
(Chapters 3 and 4), and doing some practice problems whose answers y
CHE 111 002
Spring 2017
HOMEWORK # 6
(due Monday, February 27)
L.J. Tracey
14 points
Before completing this homework assignment, I recommend that you spend some time reading the textbook
(Chapter 4), and doing some practice problems whose answers you can
Homework Assignment (HW 7b) due March 6, 2017 Student Name: _
CHE 111, Section 002
Spring 2017
L. Tracey
10 total points
Overview: Attend at least two of the special review sessions and provide feedback about your experience.
1.
Refer to the schedule prov
CHE 111 002
Spring 2017
HOMEWORK # 7
(due Monday, March 6)
Before completing this homework assignment, I recommend that
you spend some time reading the textbook (Chapters 4 and 5), and
doing some practice problems whose answers you can check from
the text
CHE 111 002
Spring 2017
HOMEWORK # 8
(due Monday, March 20)
L.J. Tracey
14 points
Before completing this homework assignment, I recommend that you spend some time reading the textbook
(Chapters 4 and 5), and doing some practice problems whose answers you
CHE 111 002
Spring 2017
HOMEWORK # 11
(due Monday, April 10)
L.J. Tracey
10 points
Before completing this homework assignment, I recommend that you spend some time reading the textbook
(Chapters 8, 9), and doing some practice problems whose answers you ca
CHE 111 002
Spring 2017
HOMEWORK # 10
(due Monday, April 3)
L.J. Tracey
12 points
Before completing this homework assignment, I recommend that you spend some time reading the textbook
(Chapters 7, 8), and doing some practice problems whose answers you can
Exam 1 Tracking Form Assignment (TF-1)
CHE 111, Section 002
L. Tracey
Student Name: _
Spring 2017
10 points total
My goal for Exam 1 is to achieve a grade of _
Use the following table to keep track of what you do as you work toward your goal.
Put a check