Latest Update 2026/2027 (100% Verified Answers -
Graded A+)
Which of the following statements are true regarding DNA and RNA? -
ANSWER-DNA holds genetic information and RNA uses that
information to synthesize protein
This organelle is a network of interconnected membranes and acts like
the cell's factory; forming sacs and canals that synthesizes protein and
lipid molecules - ANSWERendoplasmic reticulum
Which of the following are living organisms simplest unit? - ANSWER-
cells
An organic compound always contains - ANSWER-carbon and
hydrogen
What best describes the function of the skeletal system? - ANSWER-
support and movement
Part of the cell cycle when DNA replicates: - ANSWERInterphase
DNA - ANSWER-stores genetic information, including instructions for
enzymes that synthesize fats and carbohydrates
The ability of an organism to sense and react to changes in its body
illustrates - ANSWER-responsiveness
,In negative feedback mechanisms, changes away from the normal state -
ANSWER-stimulate changes in the opposite direction to restore normal
levels
An atom is electrically neutral when - ANSWER-the number of
electrons equals the number of protons
Homeostasis is the - ANSWER-tendency of the body to maintain a stable
internal enviroment
A sagittal section divides the body into - ANSWER-right and left
portions
the cell membrane is said to be: - ANSWER-selectively permeable
Which of the following must the human body obtain from the
environment in order to survive? - ANSWER-water
Loose thread like strands of DNA and protein: - ANSWERChromatin
Which of the following is the most abundant inorganic substance in the
body? - ANSWER-Water
What is the purpose of mitosis? - ANSWER-Division of the cell nucleus
Cytoplasm consists of - ANSWER-Cytosol and organelles What is
necrosis? - ANSWER-Cell death that occurs due to tissue damage
,Osmosis is the movement of - ANSWER-water through a selectively
permeable membrane down its concentration gradient
The organelle is a "tail" used for locomotion in cells such as bacteria or
sperm - ANSWER-flagella
Which of the following lists best illustrates the idea of increasing levels
of complexity? - ANSWER-organelles, cells, tissues, organs, organ
systems
An ion can be described as - ANSWER-an electrically charged particle
The midportion of the abdomen is called the _________ region -
ANSWER-umbilical
In a covalent bond - ANSWER-atoms share a pair or more of electrons
Phase of mitosis when new nuclear envelopes form around the two new
nuclei and chromosomes unwind back to chromatin - ANSWER-
Telophase
The activities of an anatomist consist of _________, whereas those of a
physiologist consist of ________ - ANSWER-observing the structure of
body parts; studying the functions of body parts
Muscle that is involuntary, non-striated, and singly nucleated: -
ANSWER-Smooth
, The arrector pili muscle is made of ______ muscle - ANSWER-Smooth
Major tissue type that binds, supports, and protects body parts, and
serves as frameworks: - ANSWER-Connective
The epidermis contains: - ANSWER-Melanocytes
Breakdown of larger molecules into smaller molecules: - ANSWER-
Catabolism
Stimulates melanocytes to make more melanin: - ANSWER-UV
radiation
Muscle found only in the wall of the heart: - ANSWERCardiac
Muscle that is voluntary, striated, and multinucleated: - ANSWER-
Skeletal
Muscle found in the wall of most hollow internal organs like stomach
and urinary bladder: - ANSWER-Smooth
Type of membrane also known as the skin: - ANSWERCutaneous
An isotonic solution - ANSWER-has the same osmotic pressure as the
cells in the solution