The shaded cell in the diagram moves clockwise in the order A, B, C, D, A, . . . .
A
B
D
C
At time
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sec, the shaded square in the diagram is in the upper left corner (A). At time
![]()
sec, the shaded square moves to cell B. Every 4 seconds, the shaded square moves to the next cell. Where will the shaded square be after 3 minutes and
![]()
seconds?
a. cell A
b. cell C
c. cell B
d. cell D
e. None of the above
Question 2Rico saved money in his piggy bank. In the first month he put 15 in the piggy bank. Every month there after he deposited a fixed amount of 85 in the piggy bank. When he checked his piggy bank, he had 270. Find the number of months he deposited fixed amount in his piggy bank?
a. Number of months he deposited fixed amount is 4.
b. Number of months he deposited fixed amount is 5.
c. Number of months he deposited fixed amount is 6.
d. Number of months he deposited fixed amount is 7.
e. Number of months he deposited fixed amount is 3.
Animal Cell
Local/long distance cell Signaling
Single-Cell Model
Surface molecules involved in the interaction between an antigen-presenting cell and a CD4+ T cell.
The synapse and synaptic transmission. (a) A thin cleft, called the synapse, separates one cell from
Allele-specific oligonucleotide (ASO) testing for the -globin gene and sickle-cell anemia