Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
The statement "<span>Forensic scientists rarely have to positively identify a specific drug since they only need to prove the general category of a drug for court cases." is true. </span>
Explanation:
Cell membranes are selectively permeable. Some solutes cross the membrane freely, some cross with assistance, and others do not cross at all. A few lipophilic substances move freely across the cell membrane by passive diffusion. ... Large molecules do not cross intact cell membranes, except in certain special cases.
Your best bet is most likely going to be B
A Chromosome holds part or all of the genetic material of an organism. It also includes packaging proteins which, aided by chaperone proteins, bind to and condense the DNA molecule to prevent it from becoming an unmanageable tangle.
So yes your best bet is B.
I think it's D. Venus and Mars have different chemical compositions from Earth.
you should read this
https://www.forbes.com/sites/briankoberlein/2016/08/15/why-is-earths-atmosphere-so-different-from-other-planets/#1597ea370223
Red blood cells carry oxygen to the body, the reason for this is because; red blood cells<span> contain haemoglobin, which absorbs </span>oxygen<span> in the lungs and releases </span>oxygen<span> in the rest of the </span>body<span>.
Hope I helped! X)</span>
