Biology Lf3 P.2

Front 1

UAA is:

a) stop codon

b) codon for AA tyrosine

c) is anticodon for AA tyrosine

Back 1

Is stop codon

Front 2

Complexes responsible for splicing consist of:

Back 2

Proteins and RNA

Front 3

Operon is

Back 3

Functional unit of prokaryotic cells

Front 4

Polysomes are

Back 4

Clusters of ribosomes bound to mRNA molecule

Front 5

Polysomes are

Back 5

Clusters of ribosomes bound to mRNA molecule

Front 6

Lac operon encodes enzymes of

Back 6

Catabolic pathway

Front 7

Polysomes are

Back 7

Clusters of ribosomes bound to mRNA molecule

Front 8

Lac operon encodes enzymes of

Back 8

Catabolic pathway

Front 9

Translation requires a supply of energy in form of

Back 9

GTP

Front 10

Polysomes are

Back 10

Clusters of ribosomes bound to mRNA molecule

Front 11

Lac operon encodes enzymes of

Back 11

Catabolic pathway

Front 12

Translation requires a supply of energy in form of

Back 12

GTP

Front 13

Inducer is

Back 13

Allosteric regulatory protein

Front 14

Pinocytosis is

Back 14

Cell uptake of droplets of extracellular fluid

Front 15

If tryptophan is absent, Trp operon is

Back 15

Is on, transcripton is running

Front 16

If tryptophan is absent, Trp operon is

Back 16

Is on, transcripton is running

Front 17

cAMP and cGMP are

Back 17

Second messengers in cellular signaling

Front 18

Cillia

Back 18

Have the same structure as flagella, but are shorter

Front 19

Cillia

Back 19

Have the same structure as flagella, but are shorter

Front 20

Introns of eukaryotes are

Back 20

Non-coding parts of primary transcripts

Front 21

Splicing and alternative splicing runs in

Back 21

Nucleus

Front 22

Splicing and alternative splicing runs in

Back 22

Nucleus

Front 23

The casual agent of Malaria is

Back 23

Plasmodium

Front 24

The casual agent of sleeping sickness is

Back 24

Trypanosoma

Front 25

DNA synthesis and chromosome replication runs in

Back 25

S phase of cell cycle

Front 26

Replication of eukaryotic DNA is

Back 26

Asynchronous and semiconservative

Front 27

Primers in replication process are

Back 27

Short molecule of RNA

Front 28

Primase (enzyme) is

Back 28

DNA dependent RNA polymerase

Front 29

Prokaryotic DNA replication

Back 29

Has a single origin and proceeds in both directions

Front 30

Centromers of all chromosomes are

Back 30

Constitutive heterochromatin

Front 31

7methyl Guanosin cap is at

Back 31

At fifth end of mRNA

Front 32

Enzyme responsible for transcription

Back 32

DNA-dependent RNA polymerase

Front 33

Nucleotide triplet in tRNA is called

Back 33

Anticodon

Front 34

Nucleic acid, which translates codons into amino acids is:

Back 34

Transfer RNA

Front 35

RNA molecules mostly in cells as

Back 35

Single strands

Front 36

Yeasts are

Back 36

Eukaryotic organisms

Front 37

Nucleolus comprise

Back 37

Genes for synthesis of ribosome components

Front 38

Function of rough ER is

Back 38

Synthesis and secretion of proteins and glycoproteins

Front 39

Polymerization of G (globular) actin into chain is connected

Back 39

With motility of pseudopodia

Front 40

Epithelia lining of uterus (body of uterus) is

Back 40

Single layer of squamous cells?

Front 41

Endometrium (inner membrane of uterus) consist of

Back 41

Single layer of columnar epithelium

Front 42

Dense regular fibrous tissue linking the bones and muscle are

Back 42

Tendon

Front 43

Function of adipose tissue

Back 43

Store fat, release when fuel is needed for cellular respiration

Front 44

The aorta and its large branches contain

Back 44

Numerous elastic fibres

Front 45

Homeostasis is

Back 45

Variables to maintain internal environment

Front 46

Carbondioxide is transported in blood as

Back 46

Bicarbonate

Front 47

Function of spleen

Back 47

Important role in red blood cells (removes old blood cells) and immune system

Front 48

The function of bile is to

Back 48

Digestion ("emulsify") of lipids in small intestine

Front 49

Number of teeth in adult?

Back 49

32. (20 milky teeth)

Front 50

How many litres of stomach juice produce the human per day?

Back 50

2-3 litres

Front 51

Centrum of hunger and fullness is in

Back 51

Hypothalamus

Front 52

Langerhans islets in pancreas is gland with

Back 52

With internal secretin without outlets

Front 53

Langerhans islets in pancreas is gland with

Back 53

With internal secretin without outlets

Front 54

Parietal gland mediate

Back 54

Hydrochloric acid

Front 55

Layer of alimentary organ of connective tissue, blood vessels, nerve ending and lymph

Back 55

Submucosa

Front 56

Digestion starts in

Back 56

Oral cavity (salivary amylase)

Front 57

In kidney, the secretion of antibiotic uric acid

Back 57

Proximal tubule

Front 58

Kidney, net (tuft) of capillaries

Back 58

Glomerus

Front 59

Diuresis in adult man

Back 59

1500-2000 ml. (Diuresis is a process where urine production in kidneys are increased as part of homeostatic fluid balance)

Front 60

Steroid hormones act

Back 60

Passage to cell and bond to cytoplasmic receptor

Front 61

Steroid hormones act

Back 61

Passage to cell and bond to cytoplasmic receptor

Front 62

Vitamin essential for hematopoiesis

Back 62

B12 and aolic acid

Front 63

In ovary, synthesis and secretion of progesterone is mainly made of

Back 63

Corpus (uterus)

Front 64

The complex molecule, which degrades useless (damaged) proteins is

Back 64

Proteasome

Front 65

Epithelium of epidermis

Back 65

Stratified squamous with keratinization. (Ectodermal)

Front 66

Totipotent cell is

Back 66

A cell which can divide and produce all the differentiated cells in an organsim. (Ex. Spores and zygotes)

Front 67

Maternal determinants

Back 67

mRNA and proteins stored in oocyte have multiple functions, cell cycle progression, cellular metabolism, regulation of fertilization, activation of zygotic transcription, formation of body axes. Work as transcripton factors

Front 68

Transcription factor

Back 68

Protein that binds to specific DNA sequences, controlling the rate of transcription of genetic info from DNA to mRNA

Front 69

Morphogenetic movement

Back 69

Gastrulation. (Making of germ layers, primitive streak)

Front 70

Homeotic genes are

Back 70

Genes which regulate the development of anatomical structures. (Via programming of various transcription factors)