Explain why the chromosomes in the second drawing have sister chromatids, but the chromosomes in the third drawing do not. What happened to the sister chromatids?

A stable ecosystem is characterized by having

What does it mean to say that a gene is expressed? what does it mean to say that a gene is expressed? information in dna is used to make a protein. a protein is used to make dna. dna contains the information needed to make a protein.

What is the importance of the cell cycle for organisms? check all that apply. growth of organisms creation of new organisms repair of damaged cells reproduction of new cells?

If this population continued for the next 100 years with no changes in arm length, what could you say about these sea stars?

Describe how you can use a Punnett square to predict the probability that offspring will inherit a trait.

Why is it necessary to cool a hot supersaturated solution slowly during a recrystallization?

Name the two energy-equivalent molecules that contain three phosphates as part of their structure. what makes these two molecules different? how many high energy phosphate bonds do they contain? nutrition

During what period of time has the sunbelt region of the u. s. grown most quickly?

The axial skeleton includes the A) vertebra, skull, and ribs B) hip bones, knees, and feet C) shoulder bones, elbows, and hands D) bones of the fingers and toes

After transcription, nuclear RNA is capped, polyadenylated, spliced. After successful splicing, proteins are added to the mature mRNA at the exon junction complex and then transported to the cytoplasm.