Deck 1 Flashcards
- According to the cell theory …
a. each cell consists primarily of inorganic macromolecules
b. cells represent the living systems from the viewpoint of organisation
c. all of the cells consist of the same elements and molecules
d. each cell arises only by the division of the pre-existing cell
each cell arises only by the division of the pre-existing cell
- The site of the life origin is …
a. the oceans edge
b. under frozen oceans
c. near deep-sea vents
d. unknown
unknown
- Leukocytes of man …
a. have a biconcave shape
b. differ according to presence of granules in the cytoplasm into granulocytes and agranulocytes
c. are destroyed in the liver
d. provide for the transfer of hormones into the whole body
differ according to the presence of granules in the cytoplasm into granulocytes and agranulocytes
- Animals are studied in …
a. mixology
b. cryobiology
c. ecology
d. zoology
zoology
- The following is/are considered the minimum systems capable of independent life …
a. virus
b. cell
c. nucleoprotein corpuscle
d. multicellular organism
cell
- The easiest cellular life forms appear to have been …
a. viruses
b. bacteria
c. one-celled plants
d. one-celled animals
bacteria
- Blood platelets of man …
a. arise by the fragmentation of leukocytes
b. arise by the fragmentation of erythrocytes
c. belong to cell blood elements
d. belong to non-cell blood elements
belong to non-cell blood elements
- Plants are studied in …
a. ecology
b. botany
c. bionics
d. ontology
botany
- The base of the cytoplasmic membrane is/are …
a. double layer of proteins
b. double layer of proteins, in which phospholipids are immersed
c. cellulose double layer
d. double layer of lipids, in which proteins are immersed
double layer of lipids, in which proteins are immersed
- Life on earth is carbon based. Similar molecules could be formed with …
a. potassium
b. aluminium
c. silicon
d. iron
silicon
- Erythrocytes present in the human blood …
a. are capable of phagocytosis
b. are nucleus-free blood elements
c. are capable of diapedesis
d. contain haemoglobin, which is all to bind irreversible and release oxygen and C02
are nucleus-free blood elements
- Palaeontology deals with …
a. human beings
b. fossil fuels
c. extinct organisms
d. proto-microorganisms
extinct organisms
- The basic celll surfaces of eukaryotic cells include/s:
a. nuclear envelope
b. cytoplasmic membrane
c. slime capsule
d. nuclear membrane
cytoplasmic membrane
- Scientists generally agree that the first molecules formed as life evolved as were …
a. proteins
b. RNA
c. peptides & nucleic acids
d. none of above
none of above (proteins, RNA, peptides & nucleic acids)
- Prevention of blood loss is termed …
a. haemostasis
b. homeostasis
c. haemocoagulation
d. diapedesis
haemostasis
