Each red blood cell contains about 250 million hemoglobin molecules and so can carry at least one billion molecules of oxygen.

a. true

b. false

Which element is most likely to share electrons with other atoms in joint orbitals a) chlorine (7 valence electrons) b) calcuim (2 valence electrons) c) argon (8 valence electrons) d) carbon (4 valence electrons) e) potassium (1 valence electron)

Each heredity trait corresponds to ___?

Which of the following best describes Captain James Cook's contribution to marine science? A. proving that humans were harming the ocean B. documenting the islands in the Atlantic for the first time C.

Congenital disorders of glycosylation are a growing class of rare diseases. Which organelle would be most commonly involved in the glycoprotein disorder portion of the group? RER ribosomes endosomes Golgi apparatus

The energy used by living organisms on earth comes from a. the sun. b. the oceans. c. volcanoes. d. fossil fuels.

3. In pea plants, inflated pods are dominant to constricted pods. Show the cross between a true-breeding inflated pod plant with a true-breeding constricted pod plant.

How might a scientist a determine whether trait sex-linked by observing the offspring of several genetic crosses

An individual who has an eating disorder along with intense thirst and wildly varying body temperatures may have a dysfunction of the medulla. hypothalamus. thalamus. pons. brainstem.

What consists of loose connective tissue that binds the tunica mucosa to the next layer

I tend to have an inquiring mind, and i want to know more about how water moves within the plant body. i take a common houseplant and cut the stem off about 1 inch from the soil surface.