I think you're talking about histones. Histones are proteins found in eukayotic cell nuclei. Histones are what DNA wrap around so it fits inside the nucleus and helps with the formation of chromosomes.
Answer: Having a non-functional vestibular apparatus.
Explanation:
Motion sickness is a feeling of sickness that is caused by the movement. It occurs in a vehicle like boat, car, train or bus. It can also occur in the amusement rides. This is not life-threatening. It can make the ride or traveling unpleasant. Motion sickness happens when the brain receives the disturbing message related to the motion and the body's position. These messages are delivered from the ear, eyes, skin receptor, muscles and the joints sensors.
Among the options given, Having a non-functional vestibular apparatus. is not the associated with the development of motion sickness. The vestibular apparatus is associated with ear if the ear sensory system becomes non-functional then it will reduce the sensing of motion sickness.
Answer:
The main difference between red brown and green algae is that red algae contain chlorophyll a, chlorophyll d, and phycoerythrin, while brown algae contain chlorophyll a, chlorophyll c, and fucoxanthin and green algae contain chlorophyll a, chlorophyll b, and xanthophylls.