The region of DNA where RNA synthesis begins is the ______.

After replication, ______.

In an operon, the ______ acts as an on/off switch.

RNA contains the nitrogenous base ______ instead of ______, which is only found in DNA.

What integer value will be displayed when the following MIPS program executes with an integer value 4 as a keyboard input?         .text        addiu   $s0,$zero,1              # $s0 = 1        addu    $s1,$zero,$zero          # $s1 = 0        adduiu  $s3,$zero,1              # $s3 = 1        adduiu  $v0,$zero,5        syscall                          # $v0 = read value from keyboard        sw      $v0,n($gp)               # Memory[($gp+n*4)] = $v0L1:     lw      $s2,n($gp)               # $s2 = Memory[($gp+n*4)]        slt     $t0,$zero,$s2        beq     $t0,$zero,L2        mult    $s0,$s2        mflo    $s0        subu    $s2,$s2,$s3        sw      $s2,n($gp)        j       L1L2:     addu    $a0,$s0,$zero        addiu   $v0,$zero,1        syscall        addiu   $v0,$zero,10        syscall        .datan:      .word 0

The backbone of DNA consists of ______.

The backbone of DNA consists of ______.

RNA contains the nitrogenous base ______ instead of ______, which is only found in DNA.

Answer the following questions in a complete sentence in Spanish (21-25) this is a media comment  

Read the following statements. Then listen as Professor Molina address her students at the beginning of the first day of classes and indicate if the following statements are true or false. You will use the same audio to answer questions 6-10. Click here to listen La profesora Molina enseña psicología.