What polysaccharide provides rigidity and strength in plants?

Two identical twins, Derek and Aaron, grew up in the same household without any health problems. For most of his life, Derek had a high-stress job and did not have time for exercise.

Anina's normal alveolar ventilation rate (AVR) during mild excerise is 6.0 L/min. She goes snorkeling to a beach, on a warm summer day, water is not too cold. The snorkel volume is 50 ml.

Blood type is a type of gene where both alleles can be expressed. Which statement best explains a person with AB blood type.? A) There is a dominant relationship between alleles. B) There is a codominant relationship between alleles.

Which of the following statements best describes the significance of the ocean to humans?

What macromolecule cause hemophilia

What part of the government oversees monitoring them in the environment, and what happens if a business or organization emits them at above allowable levels?

How are messages carried in neurons

A change in the sequence of bases in a dna molecule is most accurately referred to as

How many neurons are contained in the brain?

Explain what the word in in each set have in common. Wells, Dams Aquifer, water table