Indicate the phase where each of the following events occur. Type in the box. Chromosomes line up along the equator
Cytokinesis begins; two daughter cells form
DNA makes a copy, cell prepares for division
Nuclear membrane dissolves, spindle forms
Sister chromatids separate

What links the two strands in a dna helix together in the middle? a. phosphate groups b. sugar rings bonded together c. proteins d. bases with hydrogen bonds

15 ! come and answer! a(n) is the general term for an infectious disease that has spread across a city, region, or country.

Which statements best describe the differences or similarities between a comparative investigation and an experimental investigation? check all that apply. experimental investigations are best for showing cause-and-effect relationships, while comparative investigations do not necessarily show this type of relationship. comparative investigations are often impractical and unrealistic, while experimental investigations are the most practical and realistic kinds of investigations. comparative investigations allow for the use of a wide range of variables but do not have a control group, while experimental investigations involve variables that can be controlled. both experimental investigations and comparative investigations are designed to answer scientific questions. both experimental investigations and comparative investigations focus on making observations rather than collecting new data.