Which of the following is true of DNA?

Question 2 options:

There are six nitrogenous bases involved.

Cytosine can pair with guanine and adenine.

There are four nitrogenous bases involved.

Adenine always pairs with guanine.

What is an R-group in amino acids (Biology) ?

What is the purpose of DNA fingerprinting? to create transgenic organisms O to identify individuals based on differences in DNA O to remove proteins and cellular debris from DNA O to look for mutations that cause disease

Enzo investigated the effect of different types of fertilizers on the growth of bean plants. He hypothesized that fertilizer B would result in the greatest amount of growth.

If Earth was not titted on its axis, what changes would you expect to see in the seasons?

On a hike through the forest, you notice a circle of "mushrooms," each with a stalk, cap, and gills on the underside of the cap. If you dig into the soil below the ring, which of the answer choices might you find? a. low-nutrient soil b.

When caring for a client with a tracheostomy, the nurse would perform which recommended action?

This schedule number contains drugs with low potential abuse, medical use, and the lowest potential for dependency

Which of the following are threats to biodiversity? Select all that apply. designating protected areas sustainability efforts altering habitats pollution

Medication errors with parenteral medications can be easily corrected if caught within 10 minutes. a. True b. False

Which of the following factors are involved in the formation of a new species? a. behavioral isolation, geographic isolation, and temporal isolation b. relative dating, index fossils, and radioactive dating c.