Please help me :( this is due in 5 mins. A segment of DNA strand has the following bases:

TAC GAT

What is the complementary strand of mRNA?

A: UAG CAU
B: TAG CAT
C: ATG CTA
D: AUG CUA

Which of the following is an oxidation-reduction reaction? (pictured below)

This is the diveristy of ecosystems natural communites and habits it is the variety of ways that species interact with each other and their environment

Darrel conducted an experiment with the following procedure: fill two cups with ice water. place an uninflated balloon snuggly onto your left index finger. blow a little air into an identical balloon, and place it onto your right index finger. place both fingers into the cups of ice water. darrel noticed that his right finger felt warmer in the ice water than did his left finger. which of the following does the experiment show? a. air is a good radiator of heat. b. air is a good insulator of heat. c. air is a good conductor of heat. d. air is a good convector of heat.