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BIOLOGY 2021
Duplication of DNA molecule:
What carbohydrates are part of RNA:
BIOLOGY 2021
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Adilet biology
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Answers
1
What carbohydrates are part of RNA:
ribose
polysaccharide
pentose
sucrose
2
Duplication of DNA molecule:
diplotene
reduplication
delegation
diploid
3
Convergence and adhesion of homologous chromosomes.
conjugation
leptothena
adhesive plasters
crossover
4
PROTEIN performs the following functions:
7
4
5
6
5
1. one of the branches of biology that studies the structure, chemical composition and function of cells:
Genetics
Botany
Histology
Cytology
6
The term "cell" was first used:
R. Hook
D.I. Ivanovsky
J. Watson and F. Crick
R. Voklen
7
Group of invisible living organisms:
eukaryotes
prokaryotes
microorganisms
bacteria
8
Energy is released by splitting 1 g of carbohydrate molecule:
17,6 kJ
14,4 kJ
11,5 kJ
10 kJ
9
The scientist who discovered viruses:
I.I. Ivanovsky
I.I. Mechnikov
W. Leeuwenhoek
Charles Darwin
10
The number in the cell is about 98%:
macronutrients
fructose
biogens
trace elements
11
What organic matter is the main source of energy in the cell:
protein
fat
ATF
carbohydrates
12
Host of acellular living organisms:
mushrooms
viruses
animals
plants
13
Substances containing molecules of carbon or its compounds, combustible in air and in oxygen:
lipids
nucleic acids
protein
organic substances
14
4 nucleotide impurities were found in the DNA molecule:
T. Morgan
II. Ивановский
E. Chargaff
G. Mendel
15
One of the scientists who contributed to the development of the science of microorganisms:
Charles Darwin
D.I. Mendeleev
Vinogradsky S.N.
F. Creek
16
To what group of carbohydrates glucose belongs:
glycogen
amylase
monosachorice
disaccharide
17
What are the functions of enzymes:
catalytic
information
transportation
defense
18
The main tool used in the study of cells:
light microscope
tonometer
spirometer
ammeter
19
Denaturation is:
Violation of the natural structure
the substance that forms the basis of the cell
re-release of decomposition products
carbohydrate reserves of plants
20
What is pinocytosis:
the basis of the cytoplasm
mutual hybridization of close relatives
colorless plastids in plant cells
larger drops of water enter the cell
21
Cells of living organisms are divided into two groups depending on the maturity of the nucleus:
simple and complex
organic and inorganic
saturated and unsaturated
anaerobic and aerobic
22
How many chromosomes in the nucleus of a human cell:
47
46
23
32
23
The division of body cells consists of the following stages
2
4
6
3
24
The first amino acid was isolated from asparagus juice in 1809 and was called asparagine:
R. Voklain and K. Robike
Vinogradsky S.N.
L. Shepherd
T. Schwann and M. Schladen
25
What processes are associated with energy metabolism in plant cells:
photosynthesis
photolysis
opening process
chemosynthesis