1. Examining the two cubes in your kit:
Table 1
Dice
Dimensions Surface Area
(cubes) (Length, width, # of sides x
and height) length x width
I
Volume
Length x width
x height
Ratio
(surface area/
volume)
Example:
Cube = 3 mm
length = 3 mm
width = 3 mm
height = 3 mm
6 sides x3 x3 =
54 mm
3x3 x3 =
27 mm
54/27 (Divide
the surface area
by the volume.
The ratio is that
number over 1.)
2/1 ratio
Small dice
5 mm
Large dice
16 mm

Match the following terms describing electrical events with the correct phases of the cardiac cycle. the ventricular muscle cells depolarize at the start of this phase. during this phase, na+ entry through the funny channels causes the pacemaker potential of sa nodal cells to gradually become less negative until it reaches threshold. the ventricular muscle cells repolarize right before this phase. the cytosolic concentration of calcium in the contractile cells of the ventricle is highest during this phase. a. isovolumetric relaxation b. ventricular ejection c. isovolumetric contraction d. ventricular filling

Albinism is an inherited genetic disorder. explain what it is meant by inherited genetic disorder

16. which of the following accurately describes a step within transcription? a. dna polymerase uses one strand of rna as a template to put together nucleotides. b. the dna strand is used as a template for which a complementary rna strand can be produced. c. the rna strand forms a template by which dna can be built. d. the rna strand is produced within the cytoplasm.