The diploid number of a roundworm species is 4. Assuming there is no crossover, and random segregation of homologs during meiosis, how many different possible combinations of chromosomes might there be in the offspring?

Where is the greatest volume of water in the body found?

A toddler is admitted to the pediatric unit with diarrhea and severe dehydration. After several days of treatment, the child is evaluated. What clinical findings indicate that the child is rehydrated? Select all that apply. 1. Decreased hematocrit 2.

Which statement best summarizes Gregor Mendel's contribution to science? A. Factors for traits in pea plants cannot be controlled. B. Wrinkled seeds grow faster than smooth seeds. C. Garden pea plants can be grown in a variety of colors. D.

Which explains how root-tip wedging can weather a rock? A. In root-tip wedging, dead material from plant roots breaks down into acids that get into cracks and dissolve the rocks. B.

Plants use the sugars they produce during photosynthesis to create which macromolecules?

Scientist think that all of life on earth originated from which type of organisms? A. single-cell prokaryotes B. single-cell eukaryotes C. multicell animals D. stromatolites

The highest amount of a nutrient that can be consumed without likely harm in a group of individuals of a similar age is the A) Dietary Reference Intakes (DRI). B) Tolerable Upper Intake Level (UL).

Why does the growth of dodder eventually lead to the death of a host plant?

Each chromosome contains two identical what

Why should you use a control during an experiment?