What is the difference between a heterogeneous mixture and a homogeneous mixture? A. A heterogeneous mixture can only be a solid, and a homogeneous mixture can only be a liquid. B. You can’t see the parts in a heterogeneous mixture, but you can in a homogeneous mixture. C. You can see the parts in a heterogeneous mixture, but you can’t see them in a homogeneous mixture. D. A heterogeneous mixture is a physical combination, and a homogeneous mixture is a chemical combination.

C. You can see the parts in a heterogeneous mixture but can't see them in a homogeneous mixture.

Explanation:

a heterogeneous mixture is in other words, the one that does not mix or is not uniformly combined, hence leading to the creation of layers of the substances used.

a homogeneous mixture is the one that completely dissolves, or mixes, or is uniformly combined.

21 stacks

step-by-step explanation:

divide 630/30

21 stacks

enjoy!

step 1: initiation

initiation is the beginning of transcription. it occurs when the enzyme rna polymerase binds to a region of a gene called the promoter. this signals the dna to unwind so the enzyme can ‘‘read’’ the bases in one of the dna strands. the enzyme is now ready to make a strand of mrna with a complementary sequence of bases.

step 2: elongation

elongation is the addition of nucleotides to the mrna strand. rna polymerase reads the unwound dna strand and builds the mrna molecule, using complementary base pairs. there is a brief time during this process when the newly formed rna is bound to the unwound dna. during this process, an adenine (a) in the dna binds to an uracil (u) in the rna.

step 3: termination

termination is the ending of transcription, and occurs when rna polymerase crosses a stop (termination) sequence in the gene. the mrna strand is complete, and it detaches from dna.