D. mRNA is synthesized from a strand of DNA.
Transcription, hence the root script, means to write. This is the creation of the mRNA "messenger" information.
The 30 million years ago, because its the closest one to us. Wait is there a picture to it ?
I think b would fit more as the mitochondria, d would be the endoplasmic reticulum, and e would be lysosomes
Normal:
Glucose
Rbc
NaCl
Amino acid
Plasma
Abnormal:
Albumin (protein)
Wbc
Remember that only small molecules can pass from the blood in the glomerular capillaries and this is cause they have thin walls