Phloem transport of sucrose can be described as going from \"source to sink\". W

Question

Phloem transport of sucrose can be described as going from "source to sink". Which of the following would not normally function as a sink. A. Growing leaf. B. Growing root C. Storage organ in summer. D. Mature leaf. E. Shoot tip. The blood level of which gas is most important in controlling human respiration rate? A. Nitric oxide. B. Nitrogen. C. Oxygen. D. Carbon dioxide. E. Carbon monoxide. What is the main cause of Guttation in plants? A. Root pressure. B. Transpiration. C. Pressure flow in phloem. D. Plant injury. E. Condensation of atmospheric water. Plasmodesmata are found between A. Sieve tube cells. B. Companion cells. C. Vessel elements. D. Tracheld. E. Meristematic cells. What keeps the ventricles from contracting at the same time as the atria? A. Nerves from the brain conduct separate signals to the atria and ventricles. B. The atria and ventricular pacemakers touch off contractions at different times. C. The sinoatrial node sends separate signals to the atria and ventricles. D. The atrioventricular node delays the signal from the sinoatrial node. E. A and B only.

Explanation / Answer

Question 15:
The answer is D. Mature leaf. Mature leaf acts a source of food material.

Question 16:
The answer is D. Carbon dioxide.

Question 17:
The answer is A. Root pressure

ACCRODING TO CHEGG GUIDELINES WE HAVE TO ANSWER ONE QEUSTION AT A TIME. POST THE REST AS SEPERATE QEUSTIONS THEN I CAN HELP YOU.

Related Questions

Navigate

• Browse (All)
• Browse P
• Subjects

---