The trachea is lined with cartilage that keeps it permanently open.

Α. True

B. False

Fill in blank, what term refers to a thorough scrutiny of work performance, teamwork, coordination, appearance, attendance, discipline, and adherence to workplace protocol during a specific period? a is a thorough scrutiny of work performance, teamwork, coordination, appearance, attendance, discipline, and adherence to workplace protocol during a specific period.

Which is an example of a food group? a. oils b. vegetables c. water d. sweets

What is the main structural difference between enveloped and nonenveloped viruses? a) enveloped viruses have their genetic material enclosed by a layer made only of protein.b) nonenveloped viruses have only a phospholipid membrane, while enveloped viruses have two membranes, the other one being a protein capsid.c) enveloped viruses have a phospholipid membrane outside their capsid, whereas nonenveloped viruses do not have a phospholipid membrane.d) both types of viruses have a capsid and phospholipid membrane; but in the nonenveloped virus the genetic material is between these two membranes, while in the enveloped virus the genetic material is inside both membranes.