#Question id: 10444
#Unit 6. System Physiology – Plant
Which protein is involved in the crosstock signalling with the phytochrome and initiates photomorphogenesis?
#Question id: 10997
#Unit 7. System Physiology – Animal
A 60-year-old woman has a resting heart rate of 70 beats/min, arterial pressure is 130/85 mm Hg, and body temperature is normal. Her pressure-volume diagram of the left ventricle is shown above.
What is her cardiac output in milliliters per minute?
#Question id: 8890
#Unit 9. Diversity of Life Forms
#Question id: 33464
#Unit 1. Molecules and their Interaction Relevant to Biology
#Question id: 2529
#Unit 2. Cellular Organization
Cell walls commonly are classified into two major types. This classification is based not on structural or biochemical differences;
A) primary walls and
B) secondary walls
i) walls formed during cell growth
ii) walls that are formed after cell enlargement stops
iii) multilayered walls that are strengthened and waterproofed by lignin
iv) Usually they are thin and simple, but some times may be thick and multilayered, such as those found in collenchyma or in the epidermis
v) highly specialized in structure and composition, reflecting the differentiated state of the cell
Which of the following is the correctly represents features of primary and secondary walls?