The majority of carbon dioxide returns to the lungs

as part of

hemoglobin.

plasma.

oxygen.

bicarbonate ions.

Which property of matter allows convection currents to form?

Can someone explain the carbon cycle to me as in how it's important in the real world?

Terrestrial organisms must conserve water. The least amount of water is lost with the excretion of which nitrogenous waste product? A. Uric acid B. Urea C. Carbon dioxide D. Ammonia

Through the walls of the is where the exchange of oxygen and carbon dioxide takes place

CO2 is the waste product of cellular respiration and fermentation. The yeast in this experiment are being grown in an oxygen poor environment and are thus performing alcohol fermentation.

Read the list of common household substances. Antacid, orange juice, toothpaste, vinegar Which of these substances are likely to have a bitter taste? Antacid, vinegar Antacid, toothpaste Orange juice, vinegar Orange juice, toothpaste

Which of the following do fish NOT use to breathe? A. air bladder B. pharyngeal slits C. pores on their back D. olfactory bulbs

Imagine a protein that has been engineered to contain a nuclear localization signal, a nuclear export signal, a C-terminal peroxisomal targeting sequence, and a canonical endoplasmic reticulum (ER) signal sequence.

Which organelle receives protein from endoplasmic reticulum and sorts and packages it for delivery outside cell?

Eukaryotic cells have many different specialized structures that are involved in making, organizing, and delivering a protein molecule. Describe the four organelles that are involved and the sequence of events of this process.