Askin cell of a red fox has 34 chromosomes. you look at the cell under a microscope and see that it has 34 chromosomes and one nucleus. several hours later, you look at the same cell again and see that it has double the amount of dna and one nucleus. a little while later, you see that it has 68 chromosomes and two nuclei. what stage of the cell cycle was this cell in when you viewed it at each time point?

Often, caries will develop in an area of the tooth that's not readily accessible. which cavity preparation form defines this? a. retention b. resistance c. outline d. convenience

Plz genetic engineering can be applied to many fields including medicine and agriculture. which of the following is a medical application of genetic engineering? a. giving crop plants recombinant dna so that they would be resistant to herbicides. b. examining a persons pedigree to determine whether they can carry a gene for a genetic disease. c. analyzing a persons dna to see how closely they are related to another person. d. certain genes into bacteria so that they will produce a needed medicine.

The vaccine in a flu shot contains weakened flu viruses. how does a flu shot work with the immune system? a. it destroys lymphocytes. b. it destroys macrophages. c. it activates macrophages. d. it activates lymphocytes.