teas practice #2-science questions

what basic molecular unit enables hereditary information to be transmitted from parent to offspring? a. genes b. blood c. traits d. cell

a

which of the following cells it NOT part of the immune system? a. neurons b. dendritic cells c. macrophages d. mast cells

a

which of the following is NOT an element of the respiratory system? a. ribs b. trachea c. diaphragm d. alveoli

a

which statement most accurately compares and contrasts the structures of DNA and RNA? a. both DNA & RNA have 4 nucleotide bases. three of the bases are the same but the fourth base is thymine in DNA & uracil in RNA b. both DNA & RNA have the same 4 nucleotide bases. however, the nucleotides bond differently in the DNA when compared to RNA c. both DNA & RNA have 6 nucleotide bases. however, the shape of DNA is a triple helix and the shape of RNA is a double helix d. both DNA & RNA have a double helix structure. however, DNA contains 6 nucleotide bases & RNA contains 4 nucleotide bases

a

a vaccination is a way of acquiring which type of immunity?

active artificial immunity

how do DNA & RNA function together as part of the human genome? a. DNA carries genetic information from RNA to the cell cytoplasm b. RNA carries genetic information from DNA to the cell cytoplasm c. DNA & RNA carry genetic information from the cell nucleus to the cytoplasm d. DNA & RNA do not interact within the cell

b

in the suburban neighborhood of Northwoods, there have been large populations of deer, and residents have complained about them eating flowers and garden plants. what would be a logical explanation, based on observations, for the large increase in the deer population over the last two seasons? a. increased quantity of food sources in surrounding areas b. decreased population of a natural predator in Northwoods c. deer migration from surrounding areas d. increase in hunting licenses sold

b

where is the interstitial fluid found? a. in the blood and lymphatic vessels b. in the tissues around cells c. in the cells d. in the ventricles of the brain

b

which of the following characteristics is part of a person's genotype? a. brown eyes that appear hazel in the sunlight b. CFTR genes that cause cystic fibrosis c. black hair that grows rapidly d. being a fast runner

b

how is meiosis similar to mitosis? a. both produce daughter cells that are genetically identical b. both produce daughter cells that are genetically different c. both occur in humans, animals, and plants d. both occur asexually

c

of the following, the blood vessel containing the least-oxygenated blood is: a. the aorta b. the vena cava c. the pulmonary artery d. the capillaries

c

of the following, the blood vessel containing the least-oxygenated blood is? a. the aorta b. the vena cava c. the pulmonary artery d. the capillaries

c

which of the following is NOT a function of the circulatory system? a. pumping blood throughout the body to provide tissues & organs with nutrients and oxygen b. removing toxins & waste from the blood c. transmitting nerve impulses between the brain & the rest of the body d. transporting important hormones released from glands to their sites of action

c

which of the following is not a product of respiration? a. carbon dioxide b. water c. oxygen d. ATP

c

the majority of nutrient absorption occurs in the: a. mouth b. stomach c. small intestine d. large intestine

c. small intestine

which part of the brain interprets sensory information?

cerebrum

28. which type of cell secretes antibodies? a. bacterial cell b. viral cell c. lymph cell d. plasma cell

d-plasma cell

what is the primary function of the spleen?

filters microorganisms and other foreign substances from the blood

which of the following is a protein that interferes with virus production?

interferon

which of the heart chambers is the most muscular?

left ventricle

which layer of the heart contains striated muscle fibers for contraction of the heart? a. pericardium b. epicardium c. endocardium d. myocardium

myocardium

what type of molecules are enzymes?

protein molecules

which blood vessel carries oxygenated blood back to the heart? a. pulmonary vein b. pulmonary artery c. aorta d. superior vena cava

pulmonary vein

what type of bone is embedded in tendons?

sesamoid bones

mrs. jones class conducted an experiment on the effect's of sugar and artificial sweetener on the cookie recipe's overall color when baked. what would be the independent variable in the cookie experiment?

the students should use the same ingredients, same baking temperatures, and same baking times for both recipes

where is the interstitial fluid found?

tissues around the cells

which of the following structures has the lowest blood pressure?

vein

which of the following best describes the structures found underneath each rib in descending order?

vein, artery, nerve