rna primase synthesizes rna primer that attaches itself at the initiation point of replication. rna primer constructed during dna replication needs to be replaced because rna differs from dna. it contains instead of

Look at the images of different rocks. which rocks have a fine-grained texture? check all that apply. 1 2 3 4 5

Witch type of microscope is used to view very small cell components like proteins and dna?

(select all the correct choose each statement that is scientific. - the opinions of randomly selected participants in a survey prove the idea that global temperatures are not increasing on earth. - the universe's average temperature and rate of expansion support the idea that it began as one super-dense and hot mass 13.8 billion years ago. - ocean tides are caused by the uneven gravitational pulls of the moon and sun on different parts of earth. - human life is more valuable than other forms of life on earth because humans are more intelligent than other organisms.