Cell structures that are composed of macromolecules; fifth structure in the levels of organization in the body

What is line "C"  pointing to?

a) Fenestration b) Pedicel c) Filtration slit d) Basal lamina e) Lumen of the glomerulus

Keratinocytes synthesize vitamin C in the presence of sunlight

a. True b. False Indicate whether the statement is true or false

The spindle apparatus is fully formed by the end of

metaphase II. anaphase II. prophase II. prometaphase II. telophase II.

Which of the following leads to back pain due to pressure on the spinal nerves?

A) intervertebral disc degeneration B) kyphosis C) erosion of articular cartilage D) loss of skeletal muscle mass