The job of the root hair cell is to:
A. help protect a root
B. help a root to take in water
C. help to get rid of wastes from a root
D. use photosynthesis to make food
Select your answer:

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Viruses and Prions Pathology of Respiratory System Pancreas Diseases of The Digestive System Fitness PHYSIOLOGY OF KIDNEY Obstructive Lung Disease Dyslexia Diseases and Preventions Respiratory Plant Biotechnology Muscle Histology Ears Major Nutrients Health and DiseaseOther quiz:
Genetics › ViewHutchinson-Gilford progeria is an exceedingly rare human genetic disorder in which there is very early senility and death, usually from coronary artery disease, at an average age of approximately 13. Patients, who look very old even as children, do not live to reproduce. Which of the following represents the most likely assumption?
A. All cases must occur in relatives; therefore, there must be only one mutant allele.
B. Successive generations of a family will continue to have more and more cases over time.
C. The disorder may be due to mutation in a single protein-coding gene.
D. Each patient will have had at least one affected family member in a previous generation.
Biotechnology › View
What are the two main types of chains in an immunoglobulin molecule?
A. Heavy and light chains
B. Alpha and beta chains
C. Gamma and delta chains
D. Mu and epsilon chains