RNA AND TRANSCRIPTION
Transcription
Fill in the blanks below. On the illustration of transcription, label
forming mRNA, the completed strand of mRNA and a free nucleotic
Name
in the illustration of transcription, label the DNA, the newly-
Messenger RNA (MRNA) carries the instructions to make a
particular
_ from the DNA in the
to the ribosomes. The process of
producing mRNA from instructions in the DNA is called
acco
During transcription, the DNA molecule unwinds and
separates, exposing the nitrogenous bases. Free RNA
-pair with the exposed bases. There is
no
- in RNA.
pairs with adenine (A) instead. RNA contains the sugar
instead of deoxyribose. The mRNA
molecule is completed by the formation of
between the RNA
.and it then separates from the DNA.
The mRNA molecule is a
_strand, unlike
DNA
o

When are the centromeres broken in meiosis?

The changes that the students observed, rapid breathing and sweating, would be classified as a to a change in a system.

18. determine whether each stateme blank space given. ach statement is true (t) or false (f). place your answer in the 8. when a cell is put into an isotonic solution, individual wat put into an isotonic solution, individual water molecules cannot move back and forth across the cell membrane. d. when a cell is put into a hypertonic solution, there is a net movement of water molecules across the cell membrane into the cell. c. when a cell is put into a hypotonic solution, there is a net movement of water molecules across the cell membrane out of the cell. d. the movement of any solvent across a semi-permeable membrane is called osmosis. e. carrier proteins have the ability to change shape and physically move molecules across the cell membrane. f. in facilitated diffusion, the concentration of the molecules to be moved across the cell membrane is higher inside the cell.