A teacher asked her students to transcribe a DNA sequence into a complementary RNA strand. She gave the students the following DNA code: AGC TTA GGC. Which student created the correct RNA strand? Student 1

CUG AAC UUG

Student 2

AGC UUA GGC

Student 3

TCG AAT CCG

Student 4

UCG AAU CCG

Question 4 options:

a. student 3

b. student 2

c. student 1

d. student 4

student 4 bcoz thymine is replaced by uracil in RNA

white blood cells or wbc s are mainly 2 types-

1.agranulocytes

2.granulocytes

the monocytes or macrophages of agranulocytes , dendritic cells which are accessory leucocytes, and b cells which is one type of lymphocytes   identify the antigens present on the pathogen's surface. these three cells are called antigen presenting cells(apc) which are phagocytes and destroy the antigens by secreting antitoxins. besides this leukocyte is always plays vital role in the immunity of the body.

your answer should be c) enjoy!