Which of the following describes the pattern of increasing copies of dna during pcr amplification?
1? 2? 3? 4
1? 2? 4? 8
1? 100? 1? 1
1? 10? 100? 1000
the number of increasing copies does not follow a pattern.

Aresearcher has developed two stains for use with seed plants. one stains sporophyte tissue blue; the other stains gametophyte tissue red. if the researcher exposes pollen grains to both stains, and then rinses away the excess stain, what should occur? a) the pollen grains will be pure red.b) the pollen grains will be pure blue.c) the pollen grains will have red interiors and blue exteriors.d) the pollen grains will have blue interiors and red exteriors.

Based on anatomical similarities, to which modern animal is dr. digger’s creature most closely related?

Iwill mark brainliest and all that sha-bang. what is the function of the endocrine system? a. control longer term response in the body. b. transmit messages throughout the body. c. remove waste from the body. d. all of the above