BSC105 Exam 1 Review 2023

The integumentary system is responsible for the synthesis of vitamin D.

Smooth muscle in the bladder contracts to send urine into the urethra.

Ligaments are classifed as loose connective tissue.

In diffusion, molecules move from an area of high to low concentration.

The walls of veins are thinner, so they cannot expand as greatly as arteries can.

The intestines can be found in the thoracic cavity.

The Golgi Body modifies proteins.

A high pH (pH = 10) means the solution has greater number of OH-.

Blood pressure plays a major role in returning venous blood to the heart.

Biologists classify cells into two broad categories- animals and plants.

Two water molecules are held together by a covalent bond.

Isotopes differ due to the amount of neutrons.

The oil and sweat glands are found in the epidermis.

Beryllium has an atomic number of 4 and an atomic mass of 9. There are 5 protons for Beryllium.

H2O represents a molecule.

The domain archaea has organisms that have nuclei.

Organ systems are higher in the levels of biology organization than organisms.

DNA is single stranded.

Carbohydrates are built from a chain of fatty acids.

The ears are medial to the nose.

Fats are usually of animal origin, while oils are usually of plant origin.