Which of the following is the correct complementary sequence to the one listed below:
GCAAGTCAGGTCT
O CGTTCACTCCAGA
OGCTTCAGTCCAGA
OCGTACAGTCCAGA
OCGTTCAGTCCAGA

In sexual reproducing animals once fertilization of the egg takes place, the exists as a single cell until cell division begins. a) egg b) larva c) sperm d) zygote

If the coding part of an mrna molecule is 1800 nucleotides (bases) in length, this molecule will contain codons and code for a polypeptide that is amino acids long.

The current thought on the structure of the cell membrane is: a. a static phosphate sandwich of lipids b. a fluid-mosaic of phospholipids and proteins c. a bilayer of proteins with static lipid molecules d. an impermeable bilayer of protein molecules e. a static and permeable phospholipid single layer