when a variation outside normal limits triggers a response that restores the normal condition, the regulatory mechanism involves
negative feedback
positive feedback
compensation
adaptation
A plane through the body that passes perpendicular to the long axis of the body and divides the body into a superior and an inferior section is a
saggital section
transverse section
coronal section
frontal section
the 4 basic types of tissue that the human body contains are
muscle,cartilage,glandular, and connective tissue
bone, cartilage, glands, and adipose tissue
loose connective, dense connective , dense regular, dense irregular
epethilial, connective, muscle and nervous tissue
carbohydrates contain units called
phosphate groups
monosaccharides
amino acids
steriod
which of the following transport mechanisms requires energy
osmosis
diffusion
active transport
seepage
which of the following is the correct sequence from the largest to the smallest
amino acid, cell, protein, atom
amino acid, atom, cell, protein,
cell, protein , amino acid, atom
atom, amino acid , protein, cell
Ribosomes are organelles responsible for
protein synthesis
manufacturing lipids
cell movement and cell shape
packaging cell products for export
Mitochondria
contain DNA
have inner and outer membranes
have inner folds called cristae
all of the above
A solution that is hyposmotic to plasma has
a lower osmotic pressure than plasma
a higher osmotic pressure than plasma
the same osmotic pressure as plasma
osmolarity equilibrium with plasma
a red blood cell that is placed in a hypertonic solution
gains water
loses water
remains the same
produces more haemoglobin
