BIO 116 Exam 1

The primary structure of a protein consists of

Amino acids in a polypeptide chain

Which of the following is classified as loose connective tissue?

Areolar tissue

Which layer of hyaline cartilage reduces friction between bones involved in a joint?

Articular cartilage

In which of the following locations would you most likely find transitional epithelial cells?

Bladder, urethra, and uterus

A condition NOT regulated by a negative feedback loop would be

Breastfeeding Blood clotting labor

An enzyme acts to

Catalyst, lower the energy for activation in chemical reactions

Which type of epithelial tissue lines the fallopian tubes, uterus, and some bronchioles of the respiratory tract?

Ciliated epithelium

Which of the following types of fibers are commonly found in the extracellular matrix of connective tissue?

Elastic, reticular, collagen

What is the region of long bone found between diaphysis and the epiphysis called?

Epiphyseal line

Which layer of hyaline cartilage allows the diaphysis to grow in length?

Epiphyseal plate

The extracellular matrix of connective tissue consists of

Fibrous structural proteins (collagen + elastin + glycoproteins + proteoglycans + hyaluronic acid / water

Keratin

Hard protein

Which plane divides the body into equal right and left halves?

Midsagittal

Which cavity contains the heart

Pericardium cavity

The extracellular matrix of blood tissue consists of

Plasma

The lungs are located in what cavity

Pleural cavity

Which of the following is NOT a major function of the skeletal system?

Production of body heat

Which layer of the epidermis is composed of a single row of cuboidal or columnar keratinocytes?

Stratum basale

The main function of dense regular connective tissues is

Transmit forces over a distance and connect different organs/muscles

This type of fatty acid contains more than one double bond in its hydrocarbon chain

Unsaturated fat

A solution with a pH value less than 7 is

acidic

A chemical compound that helps control the pH of a solution by adding or removing hydrogen ions is a(n)

buffer

This lipid is used by the body as a precursor for the production of steroid hormones

cholesterol

Which plane is frontal

coronal

Which type of chemical bond involves the sharing of valence electrons between two atoms?

covalent bonds

Which type of chemical reaction breaks larger reactants into smaller products?

decomposition/catabolic

What is another name for the shaft of a long bone?

diaphysis

Which directional terms means farther from the attachment of a limb to the trunk or farther from the origination of a structure?

distal

Which layer of the skin is composed of a keratinized stratified squamous epithelium

epidermis

Which of the following is NOT a connective tissue

epidermis

Which region of a long bone articulates with other bones?

epiphysis

Which of the following is a monosaccharide that is used by cells to produce energy?

glucose

Which of the following is a polysaccharide that serves as a storage form of energy in the muscle and liver cells?

glycogen

The chemical bonds formed between the atoms in a water molecule are called

hydrogen bond

Which relatively weak type of bond helps stabilize the three dimensional structure of large molecules like proteins and DNA?

hydrogen bond

A solute that readily dissolves in water is

hydrophilic

Another name for the subcutaneous layer is

hypodermis

In the diagram shown below which cellular junction is a tight junction

image

Which plane is parasagittal?

just means sagittal

Which epidermal cell has a role in immunity and disease resistance?

langerhans cells

Which directional term means farther from the midline?

lateral

The function of the secretions of a serous membrane like the pleura, is to

lubricate

Which pigment secreted by specialized cells in the skin is capable of absorbing ultraviolet light?

melanocytes

What is the basic structural unit of compact bone tissue?

osteon

What is the fibrous covering on the surface of bone that is involved in thickening of the bone called?

periosteum

This type of lipid is the body's primary long-term energy storage molecule

triglycerides

What is the most abundant and most important inorganic compound in the body

water