teas science flashcards

Which organelle is the “control center” of a cell?

nucleus

What are the rows and columns in the periodic table called?

The rows are periods, and the columns are groups.

According to the theory of evolution, what kind of variation is inherited?

genetic

In general terms, what does the concentration of a solution tell us?

the ratio of solute to solvent or solute to solution

What kind of chemical reaction gives off energy to the surroundings?

an exothermic reaction

What are the four main components of human blood?

plasma, RBC, WBC , platelets

What is the function of the hormone insulin?

Insulin regulates blood glucose levels

What is the function of the gallbladder?

The gallbladder stores and releases bile to aid with the digestion of fat.

Which bodily system controls the production and release of hormones?

the endocrine system

What is the sheet of muscle that allows breathing to occur?

diaphragm

What is the epidermis?

the outermost layer of the skin

Which part of the skeletal system protects the heart and lungs?

ribcage

What are the neurons that transmit information from afferent neurons to the efferent neurons?

interneurons

What is the primary male sex hormone?

testosterone

What are the bronchi?

the two tubes which split from the trachea and carry air into the lungs

Where is the pituitary gland found?

The pituitary gland is found within the brain, below the hypothalamus.

Which of the cell’s organelles is responsible for detoxifying metabolic by-products?

smooth endoplasmic reticulum

In terms of anatomical planes, where are the rectus abdominus muscles?

on the anterior or ventral side of the body

State Mendel’s law of dominance.

An organism with at least one dominant allele will display the trait or phenotype associated with the dominant allele.

What type of joint does not move?

suture joint

What are the four types of tissue?

epithelial, connective, muscle, and nervous

In what two main ways do veins differ from arteries?

Veins have thinner walls and contain valves.

How are the two types of microscopes different?

Light microscopes use light and lenses, and electron microscopes use a beam of electrons.

What is the diffusion of water called?

osmosis

What is the name for the ring of muscle at the base of the uterus?

cervix