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Two white sheep are bred to one another. Over the span of several years they produce three white offspring and a black one. What is a possible explanation for this?

Which of the following is not a structure on a prokaryote? cell wall pili defined nucleus flagellum

In a controlled experiment, which group experiences the test? A. Experimental group O B. Instruments and equipment O C. Control group O D. Measurements and observations

How many stripes does a zebra have?

A student designs an experiment to determine the effect of sunlight on plant growth. He or she places three identical plants on three different window sills, which permit different amounts of sunlight exposure.

When an enzyme catalyzes a reaction: a. substrate (s bind in the active site b. products bind in the active site c. the shape of the enzyme remains unchanged d. the enzyme is consumed by thereaction?

How do the islands of Hawaii compared to the volcanoes on land

How does the respiratory system interact with the circulatory system? A. The circulatory system removes oxygen from the body to make room for carbon dioxide in the respiratory system. B.

Which layer will become saturated first when rain falls?

Which sphere does a volcanologist most directly study