Certain bacteria live in plant roots and receive sugars from the plants. The bacteria provide a source of useful nitrogen for the

plants.

This best describes which type of relationship?

1. List each of the seven steps involved in rDNA technology, from obtaining large amounts of this gene to confirming your pure protein X gene from an E. coli and describe one of them briefly (2 pts).

Which of the following explains why a tree is often used as a model to represent the principle of common descent

How can I describe a curve on a graph? (the curve connects bars on a graph)

The bones of the skull are fused together at birth a. True b. False body framework

Which is usually the next way to present or communicate inferred data? A. In a bar graph B. In a data table C. In a simple diagram D. In a written paragraph

In the deep waters of the ocean, coral reefs are found in abundance. Algae live on these coral reefs, providing nutrition and producing pigments that give color to the corals. The corals offer shelter to the algae. So, they share a association.

Dna amplification requires

a scientist observing an onion cells and a human cheek under a microscope which observation does she most likely take

Explain the process of hatching eggs under broody hen in rural areas

Which gas is not produced by volcanic eruptions?