Name: _ Class: _ Date: _
2006 AP BIO Ch 20, 18
Identify the letter of the choice that best completes the statement or answers the question.
1. Plasmids are important in biotechnology because they are
a. a vehicle for the insertion
1. a) Before translation and after transcription, the cell goes through 3 modifications. One, many
modified form of Guanine attaches to the cap of the mRNA strand (guanine cap). Two, many
Adenine attaches to the tail end of the mRNA (
AP Bio Problem Set 1: Ch 1-3 and 51
Chapter 1 Interactive Questions
1.1 write a brief description of each of these levels of biological organization.
f. organs and organ systems
AP Biology Test - Chapters 2-5 - Mr. Klestinski
Do not write on this test! Please mark all of your answers on the scantron (blue side)form provided.
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Garrod hypothesized that "inborn errors of metabolism"
such as alkaptonuria occur because A) genes dictate the
production of specific enzymes, and affected individuals
have genetic defects that cause them to lack certain
enzymes. B) enzymes are made of DN
Made by: Nilushi Dabare, Aminde Perera, Seemal Maqsood
How are they structured?
Bacterial cells are usually smaller and more simpler
than animal cells. And they are MUCH MORE
simpler than plant cells!
Bacteria come in four shapes:
ALGEBRA Level 9
Expressing general laws in symbolic form
The following values of x and y are connected by an expression in
Where a and b are constants. Find a and b.
The following values of A and x are c
Nervous and Chemical Co-ordination
Nature of Message
Route of Transmission
Specific Nerve Cells
Type of effects
Rapid but short term
General blood system
Usually slower but generally
Levels of Organisation:
LEVEL 1 Cells
Are the basic unit of structure and function in living things.
May serve a specific function within the organism
Examples- blood cells, nerve cells, bone cells, etc.
LEVEL 2 - Tissues
Made up of cells
Anatomy & Physiology
Unit 6 Nervous System
Ch. 8 Nervous System
Read pages 197-203 and 211 (CNS & PNS)
I. Functions of the Nervous System
Explain how each of the following functions is met by the nervous system:
Lysosomes are round organelles containing a
number of enzymes and bounded by a
They are enzyme sacs found in all eukaryotic
Size: 0.1 1.2 micro meters,
range depending on the
Name: Ritu Dhar
Chapter 6 Cells Review!
1. What is the usual size range for cells?
Most cells are between 1 and 100 micrometers in diameter and are therefore only visible under
a microscope. Most plant and animal cells are
Name _Ritu Dhar_ Date _9/7_ Period _5 & 6_
1. Describe atomic structure using the terms proton, neutron, electron, mass number and
orbital. Indicate what is meant by electrons in an "excited state" and those in a "ground
For a couple of decades, biologists knew the
nucleus contained DNA and proteins. The
prevailing opinion was that the genetic material
was proteins, and not DNA. The reason for this
belief was that proteins are more complex than
DNA. What was the basis of
1) Which of the following variations on
translation would be most disadvantageous for a
cell? A) translating polypeptides directly from
DNA B) using fewer kinds of tRNA C) having
A) translating polypeptides directly from DNA
only one stop codon D) lengthe
This chapter contains a lengthy discussion of the trp operon
involved in regulating the synthesis of tryptophan. In the
case of E. coli, the bacterium may need to synthesize
tryptophan, or its host, a human, may supply all the
tryptophan it needs. Think b
William Bateson was born in Whitby, England. As a student and later a
researcher in Cambridge, Bateson was interested in species variation and
heredity. He traveled to the Central Asian steppe and collected data on
AP Bio Chapter 16-20 Practice test
Identify the choice that best completes the statement or answers the question.
1. In his transformation experiments, what did Griffith observe?
a. Mutant mice were resistant to bacterial infections.
Period 5 & 6
Cell Organelle Model
There are two types of ER. There are rough ER and smooth ER. They both have the same
types of membranes but they have different shapes and rough ER has ribo
1. Natural selection is most closely related to
b. gene flow.
c. genetic drift.
d. assortive mating.
e. differential reproductive success.
2. Which of the following is likely to have been produced by sexual selection?
a. a male lion's mane
By: Rachel Matzkin, LMSW
We all begin female
External Structures of Female Sex Organs - The Vulva
Mons Pubis or Mons Veneris
The Mons Veneris, Latin for