Question
Dfferentiale between. Template strand and Coding strand
| Template strand | Coding strand | ||
| 1. | During transcription the process, template strands work as a template for the synthesis of mRNA. | 1. | During the transcription process, the coding strand does not code for anything and act as a complementary strand of the template strand. |
| 2. | It has a sequence complementary the mRNA to | 2. | It has a sequence identical to mRNA except that thymine in DNA is replaced by uracil in mRNA |
| 3. | Its direction is from 3' to 5' | 3. | Its direction is from 5' to 3'. |
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| S. No. | Column I | S. No. | Column II |
| A. | Cleavage | 1. | Outer layer of the blastocyst that attaches to the endometrium during implantation. |
| B. | Implantation | 2. | Mitotic divisions of the zygote in quick succession. |
| C. | Inner cell mass | 3. | Embedding of the blastocyst in the endometrium of uterus. |
| D. | Trophoblast | 4. | Release of secondary oocyte from the ovary. |
| E. | | 5. | Group of cells attached to one end of trophoblast that differentiate into embryo proper. |
| S.No. | Type of barrier | Example of the barrier | Function |
| (і) | А | B | Prevent microbial growth |
| (ii) | C | Polymorpho nuclear leucocytes | D |
| (iii) | Cytokine | E | F |