During which phase of the cell cycle do the replicated chromosomes thicken and become visible

A region of a chromosome contains two strands of dna, yet only one is used to transcribe a gene because

Can human do sex with animals or animals do sex with human? State your answer.

Gains in language development during adolescence are largely influenced by

Describe DNA replication in your own words

How can you identify a tap root system

I am doing a project on Down Syndrome and my teacher told us that we have to include information on the mode. What is the mode? I only know of the math mode.

Radiation can cause breaks in human chromosomes. However, insects can survive much higher lecels of exposure. Why?

Salt water is an abundant resource but unusable for irrigation and drinking. As demands on freshwater sources increase, the use of desalination processes to remove salt from ocean water is increasing.

When does a girl normally go through puberty? living environment

Which of the following is not part of the nitrogen cycle? Nitrogen compounds in the soil Nitrogen compounds in animal waste 0000 Nitrogen in the atmosphere Nitrogen gas in rock