n Flashcards
(294 cards)
A special type of cell cycle that forms gametes is called:
d) reduction division
meiosis
The plasmatic membrane of cells is:
characterized by selective permeability
semipermeable
a structure that separates the cell from the environment
One of the important metabolic processes in the cell in which new protein molecules are produced is called:
c) proteosynthesis
The basic functions of the cell include:
cellular metabolism
energy flow
flow of information
reproduction
Chromosomes can be found:
in the cytoplasm of prokaryotic cells
in the cell nucleus of eukaryotic cells
in chloroplasts
in mitochondria
The ability of a cell to absorb microorganisms is called:
phagocytosis
Exogenous biorhythms:
1) depend on the roguray thesomena of the external environment
b) depend on the alternation of the seasons
c) depend on the alternation of sexual activity cycles
d) depend on the alternation of light and darkness
e) depend on the tide and outflow
f) may occur seasonally
§) they can be completcly separated from endogenous ones
h) are related to endogenous
Which organic substances belong to most abundant in blood plasma:
proteins
Endocrine glands exclude secretions:
into the inner environment of the organism
into the blood
What is the body’s response to a change in hormone levels like:
it is not immediate
is slower than in the nerve regulation
gradually decreases as hormones are metabolized
What function do the testicles have:
b) to produce male germ cells
to produce testosterone
sperms are formed there
mixed, they produce gametes and hormones
Defensive reflexes of the respiratory system are:
coughing
b) sneezing/
coughing and sneezing
A defensive reflex of the digestive system:
a) is vomiting
c) may be caused by the irritation of the stomach
e) can be caused by the irritation of the digestive tract/
Irritation of the larynx, trachea, and bronchi provokes:
c) coughing
d) defensive reflexes of the respiratory system
Hormones:
b) are often proteins/
c) some are steroids
e) some are arenes
f are not the source of energy
g) are not the building blocks of the body
The form of the signal on which the receptor is the most sensitive is called:
a) the reasonable stimulus
b) the adequate stimulus
Which inorganic chemical substance is the most common in human urine.
water
Which inorganic substances are mainly excreted by in urine:
c) chlorides
From a functional point of view, which systems we recognize in the circulation
system:
distributional
b) diffuse
c) collection
In which animals the enzymes are produced in the salivary glands:
in omnivores
birds
pigeons
Are vitamins the source of energy:
they are not the source of energy
fat-soluble are not the source of energy
h) water-soluble are not the source of energy
What is the function of capillaries:
the passage of dissolved nutrients from the blood into intercellular spaces takes place
there
d) the exchange of breathing gases takes place there
e) the exchange of O2 a CO2 takes place there
The metabolism is controlled:
by hormones
by nerves
by hormones and nerves
The myocardium is:
regulated from its headquarters and working as a whole
an involuntary, striated muscle
controlled by autonomic nerves
(f) controlled by vegetative nerves
structurally similar to the skeletal muscle and functionally to the smooth muscle