Answer:
Letter A, Electron microscope
Explanation:
The electron microscope is used to visualize high-resolution images of biological specimens. It used to see in detail very small cells, organelles, cells tissues, molecular complexes, etc. The ribosome is a complex molecule made of proteins where the translation of proteins is made, it is very small that can be seen in detail using the electron microscope.
Answer:
B
Explanation:
The dermis is the layer of skin below the epidermis. Below the dermis is the subcutaneous layer. It contains connective tissue from collagen and elastic fibers giving skin its elasticity. It contains nerve fibers sensitive to heat and touch. Glands - like sebaceous & sweat glands, hair follicles, and blood capillaries that supply the skin, are found in this layer.
Answer:
A bony cage (commonly called the rib cage), which is formed by the sternum, ribs, and spine, protects the lungs and other organs in the chest. The 12 pairs of ribs curve around the chest from the back. Each pair is joined to the bones (vertebrae) of the spine.
Explanation: