NEW REAL 2023 ATITEAS 7 SCIENCE BEST EXAM
WITH COMPLETE SOLUTIONS
which part of the cell is often called the cell "power house" because it provides
... [Show More] energy for cellular functions?
a. nucleus
b. cell membrane
c. mitochondria
d. cytoplasm (Ans - C
what function do ribosomes serve within the cell?
a. ribosomes are responsible for cell movement
b. ribosomes aid in protein synthesis
c. ribosomes help protect the cell from its environment
d. ribosomes have enzymes that help with digestion (Ans - B
what is most likely the reason that cells differentiate?
a. to avoid looking like all the cells around them
b. so that simple, non-specialized cells can become highly specialized cells
c. so that multicellular organisms will remain the same size
d. for no reason (Ans - B
how is meiosis similar to mitosis?
a. both produce daughter cells that are genetically identical
b. with produce daughter cells that are genetically different
c. both occur in humans, animals, and plants
d. both occur asexually (Ans - C
which of the following is not a function of the circulatory system?
a. pumping blood throughout the body to provide tissues and organs with nutrients and oxygen
b. removing toxins and waste from the blood
c. transmitting nerve impulses between the brain and the rest of the body
d. transporting important hormones released from glands to their sites of action
(Ans - C
which item below is not a disease of the digestive system?
a. crohns disease
b. diabetes
c. ulcerative colitis diverticulosis (Ans - B
which item below best describes the primary function of the nervous system?
a. the nervous system is the center of communication in the body
b. the nervous system is primarily responsible for helping the body breathe
c. the nervous system transports blood throughout the body
d. the nervous system helps the body break down food (Ans - A
which of the following is not an element of the respiratory system?
a. ribs
b. trachea
c. diaphragm
d. alveoli (Ans - A
which of the following cells is not part of the immune system?
a. neurons
b. NEWdendritic cells
c. macrophages
d. mast cells (Ans - A
how do DNA and RNA function together as part of the human genome?
a. DNA carries genetic information from RNA to the cells cytoplasm
b. RNA carries genetic information from DNA to the cells cytoplasm
c. DNA and RNA carry genetic information from the cell nucleus to the cytoplasm
d. DNA and RNA do not interact within the cell (Ans - B
the majority of nutrient absorption occurs in the:
a. mouth
b. stomach
c. small intestine
d. large intestine (Ans - C [Show Less]