Virus
Warning: Similar but NOT the same
as Quiz questions !
True or False
A virus is a living organism.
False: A virus is not a living organism.
Which part of the 'active virus' diagram represents:
New viruses form inside of the host cell.
D
New viruses form inside of the host cell.
Which of the following IS an integer?
a. 0
b. 2/3
c. 0.5
0 is an integer; it is neither positive nor negative.
Which statement is true?
a. When multiplying or dividing if BOTH numbers are negative. The answer will be negative.
b. When multiplying or dividing if BOTH numbers are the same sign. The answer will be positive.
b. When multiplying or dividing if both numbers are the same sign. The answer will be positive.
-3 x -6 = +18
The " P " in the study skills strategy PIRATES is:
"Prepare" to succeed
***Put your name and PIRATES on the test***
Allot time and order to sections
Say affirmations
Start within two minutes
True or False
A virus does not need a living host cell to multiply.
False: A virus NEEDS a living host cell to multiply
Which part of the 'active virus' diagram represents:
A specific virus attaches to the surface of a specific cell.
A
A specific virus attaches to the surface of a specific cell.
Which statement is true:
a. If numbers have different signs, you add and keep the bigger number's sign.
b. If numbers have the same sign, you add and keep the sign.
b. If numbers have the same sign, you add and keep the sign.
+3 + +3 = +6
-2 + -2 = -4
Which statement is true:
a. When multiplying or dividing, if BOTH numbers have different signs. The answer will be negative .
b. When multiplying or dividing, if you multiply or divide 0 (zero) by a negative number the answer will be negative.
a. When multiplying or dividing if both numbers have "different signs". The answer will be "negative".
12 divided by -3 = -4
-7 x 8 = -56
_______________________ are made from weakened virus particles which allow the host to fight some diseases.
a. bacteriophages b. hereditary material
c. vaccines d. interferons
"Vaccines" are made from weakened virus particles which allow the host to fight some diseases.
True or False
A bacteriophage virus attacks bacteria.
True: A bacteriophage virus attacks bacteria.
Which part of the 'active virus' diagram represents:
The hereditary material of the virus causes the cell to make new virus particles.
C
The hereditary material of the virus causes the cell to make new virus particles.
Which statement is true:
a. If numbers have negative signs you subtract and flip the sign of the answer.
b. If numbers have different signs you subtract and keep the sign of the biggest number.
b. If numbers have different signs you subtract and keep the sign of the biggest number.
6 + -2 = 4
7 + -9 = -2
32 divided by -8
32/-8 = -4
3 - 15 =
Which of the following correctly rewrites the subtraction problem as an addition problem?
a. -3 + 15 = b. 3 + -15 =
c. 3 + 15 = d. -3 + -15 =
The problem 3 - 15 = is correctly written as an addition problem by:
b. 3 + -15 =
(Add the opposite, or KFC: Keep the first, Flip sign, change to add (plus) +)
True or False
Gene therapy uses viruses to replace defective hereditary material in cells.
True: Gene therapy uses viruses to replace defective hereditary material in cells.
Which part of the 'active virus' diagram represents:
The cell bursts and releases new virus particles.
E
The cell bursts and releases new virus particles.
-13 + -5 =
-13 + -5 = -18
-6 X 6 =
-6 X 6 = -36
_______________________ are proteins that protect cells from viruses.
a. bacteriophages b. hereditary material
c. vaccines d. interferons
"Interferons" are proteins that protect cells from viruses.
True or False
The virus and host cell need to fit together exactly to begin a viral infection (example: potato leafroll virus).
True: The virus and host cell need to fit together exactly to begin a viral infection (example: potato leafroll virus).
Which part of the 'active virus' diagram represents:
The hereditary material of the virus enters the host cell.
B
The hereditary material of the virus enters the host cell.
-13 + 5 =
-13 + 5 = -8
Must answer both correctly:
How many -2's will you multiply together for (-2)5 ?
Will the answer be positive or negative?
(-2)5 = (-2)(-2)(-2)(-2)(-2)=
five -2's
The answer will be negative.
Which of the following is true ...
a. "Active viruses" actively create more viruses while destroying the host cell, while "Latent viruses" inject hereditary material and wait around in the host cell.
b. "Active viruses" make you, the host, sick right away, while "Latent viruses" arrive late and never make you sick.
a. "Active viruses" actively create more viruses while destroying the host cell, while "Latent viruses" inject hereditary material and wait around in the host cell.