During transcription, at the point where the DNA strand being copied has an adenine, _______________ is added to the mRNA.

a thymine
a uracil
a guanine
a cytosine
an adenine


a uracil

Biology & Microbiology

You might also like to view...

Which two countries are both likely to have prevailing winds blowing from west to east?  

A.  United States and Argentina B.  United States and Panama C.  Canada and Brazil D.  Panama and Brazil Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about the Coriolis effect and winds? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?

Biology & Microbiology

You are given a new animal species to study. You note that it possesses segmentation. Knowing only that it is segmented, which of these are segmented? Check all that apply.

_____ Cnidaria. _____ Arthropoda. _____ Chordata. _____ Annelida. _____ Platyhelminthes.

Biology & Microbiology

Describe the three stages of labor

What will be an ideal response?

Biology & Microbiology

The ability of one gene to have multiple effects on two or more aspects of the phenotype is referred to as ________

Fill in the blank(s) with correct word

Biology & Microbiology