35
equency Distribution
Bernardo measure
35
onstruct FDT andi
40.
Test score
361
1
Class
Limit
25 - 29
30 - 34
35-39
| 40-44
Frequency Distribution Table of Math test score of 40 students
Class
Class Mark fx. Cumulative
Boundary
Frequency
295-21.5
201627
162
295-31.5/8 32
256
98-5-315 9 37
333
ag. 549.
5 5 142
210
46.5-71.
56 147
282
96.5-59-5 0 52
4.5-91. 3 57
171
-4.50 62
(9-5-1750 67
0.5-044 1 72
72
4-5 ng 2
50-54
55-59
60-64
65 - 69
70-74
75-79
154
fXm = 1640

Melanocytes and keratinocytes work together in protecting the skin from uv damage when keratinocytes a. provide the melanocyte with a protective shield against abrasion b. maintain the appropriate temperature so the product of the melanocyte will not denature c. maintain the appropriate ph in order for the melanocyte to synthesize melanin granules d. accumulate the melanin granules on their superficial portion, forming a uv-blocking pigment layer

Which of the following statements describes the lysogenic cycle of lambda (λ) phage? a) after infection, the viral genes immediately turn the host cell into a lambda-producing factory, and the host cell then lyses.b) most of the prophage genes are activated by the product of a particular prophage gene.c) the phage genome replicates along with the host genome.d) the phage dna is copied and exits the cell as a phage.

This is a negative reaction to food that doesn’t involve the immune system