Answer: B
Explanation: During cell division, chromatin condenses to form chromosomes.
The period during which the presence of stromatolites decline is the Proterzoic period. Stromatolites are widely distributed sedimentary structures consisting of laminated carbonate or silicate rocks, produced over geologic time by the trapping, binding, or the precipitating of sediment by groups of microorganisms, primarily cyanobacteria.
Answer:
I THINK THE ANSWER IS... A
Explanation:
Density don’t depend on mass and volume because there are different mass and volumes when it becomes density
Answer:
cell membrane
Explanation:
i took this class last year
Store and transmit genetic information: nucleic acid
Are primarily used to store energy: lipids
Help regulate cell processes: proteins
Are used for main source of energy: carbohydrates
