About 25 of the 92 natural elements are known to be essential to life. Which fou

Question

About 25 of the 92 natural elements are known to be essential to life. Which four of these 25 elements make up approximately 96% of living matter? A) carbon, sodium, chlorine, nitrogen B) carbon, sulfur, phosphorus, hydrogen C) oxygen, hydrogen, calcium, sodium D) carbon, hydrogen, nitrogen, oxygen E) carbon, oxygen, sulfur, calcium You have isolated an unidentified liquid from a sample of beans. You add the liquid to a beaker of water and shake vigorously. After a few minutes, the water and the other liquid separate into two layers. To which class of large biological molecules does the unknown liquid most likely belong? A) Carbohydrates B) Lipids C) Proteins D) Enzymes E) Nucleic acids Two characteristics of water make it different from most other compounds: Its solid state is ______ its liquid state and it takes up _____ heat to change to its gaseous state. A) less dense than; large amounts of B) more dense than; small amounts of C) less dense than; small amounts of D) more dense than; large amounts of E) just as dense as, no Humans can digest starch but not cellulose because A) the monomer of starch is glucose, while the monomer of cellulose is galactose. B) humans have enzymes that can hydrolyze the beta (beta) glycosidic linkages of starch but not alpha (alpha) glycosidic linkages of cellulose. C) humans have enzymes that can hydrolyze the alpha (alpha) glycosidic linkages of starch but not the beta (beta) glycosidic linkages of cellulose. D) humans harbor starch-digesting bacteria in the digestive tract. E) the monomer of starch is glucose, while the monomer of cellulose is maltose. Cola has a pH of 3; blood plasma has a pH of 7. The hydrogen ion concentration of cola is ____ than the hydrogen ion concentration of blood plasma. A) 4 times greater B) 4 times lesser C) 400 times greater D) 10,000 times greater E) 10,000 times lesser The reason that coastal climates are more moderate than inland climates is primarily due to water's high _____. A) surface tension B) cohesion C) adhesion D) density E) specific heat The storage carbohydrate found in plants is called _____. A) Glucose B) Cellulose C) Starch D) Lactose E) Glycogen

Explanation / Answer

The storage carbohydrate found in plants is called starch

It contains thousands of glucose molecule units

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.