A gene that makes it possible to distinguish bacteria that carry a plasmid (and the foreign DNA) from those that don't is called a (an)

a. resistance gene.

c. genetic marker.

b. antibiotic.

d. clone.

What is the difference between a horticultural society and an agricultural society?

Why is the blood that drains into the hepatic portal circulation nutrient-rich

Suppose a doctor diagnoses you with a bacterial infection and prescribes you an antibiotic. Your doctor cautions you to take the antibiotic for 10 days although you may feel better after a few days. Explain why you should follow the doctor's orders.

How is the current trend of climate change different from previous cycles? A. The temperatures are much higher. B. The temperatures are changing more slowly. C. The temperatures are dropping more quickly. D. The temperatures are not changing as much.

Based on computer models, it is certain that the global temperature will continue to increase indefinitely. True False

What is a tetrad? A. A chromatid before meiosis B. Another term for a sperm cell C. A haploid cell produced by meiosis D. Two sets of sister chromatids

Can an organism choose how to adapt?

what are 4 human activities that interfere with ecosystems, food chains and food webs.

What process leads to water entering an aquifer? O A. Evaporation O B. Transpiration O C. Percolation O D. Condensation

Electricity can create magnetism. True False