I think it’s the second one. Hope this helps:)
Answer:
Explanation:
Step 1 - Extract plasmid DNA from bacteria.
Step 2 - Cut this plasmid DNA with the help of restrictions enzyme so that gene of interest can be ligated in it.
Step 3 - Create gene of interest.
Step 4 - Combine gene of interest to plasmid creating recombinant DNA.
Step 5 - Grow transgenic bacteria carrying this plasmid.
Ostrich eggshell is composed of 96% crystalline calcite and 4% organic material, mostly proteins. The thickness is made up of three different layers that vary in structure and thickness. The hardness of the shell is 3 on the Mohs scale. Pretty solid!
B. cellular respiration only
Answer:
A. Solar Panels have increased in efficiency over the past 20 years
Explanation:
Took the test!