Chemical Coordination and integration — BIOLOGY STD 11 Science — Question

There occurs a process in which two divisions of nucleus take place. Identify the process and also write about its different phases.

Where are extrinsic proteins found in the cell membrane?

Provide the appropriate technical term for blood-filled cavity in arthropods and lateral appendages in aquatic annelids.

Name the blood component which is viscous and straw coloured fluid.

1. What are kinetochores?
2. State the function of SER (smooth endoplasmic reticulum)?

Name the widely used compound in agriculture, which releases ethylene.

Name the receptors in the human ear, which maintain the balance and posture of the body.

What type of excretory products get excreted through saliva?

Indicate the blood vessel that transports hormones from the hypothalamus to the anterior pituitary.

What are the external skeletons of Arthropoda animals made of?