Palacky And Zagreb Exam Flashcards Preview

Biology/anatomy Workbook > Palacky And Zagreb Exam > Flashcards

Flashcards in Palacky And Zagreb Exam Deck (54)
Loading flashcards...
1
Q

By crossing Aa x Aa, what is the ratio of phenotypes in the offspring produced? Assume complete dominance for the trait.

Select one:

A

75% dominant:: 25% recessive

2
Q

Which statement is true of sickle cell anaemia?

A

A) It involves red blood cells.

B) It confers resistance to malaria.

D) It involves a one-amino-acid change in haemoglobin.

3
Q

an individual with Turner syndrome

A

short stature, characterized by 45x genotype, is female

4
Q

Identify the correct structure of a nucleotide of DNA

A

phosphate-deoxyribose-adenine

5
Q

Which statement is not true of the nuclear envelope?

A

it’s inner membrane bears ribosomes

6
Q

Mesozoic era into time periods

A

Triassic Jurassic cretaceous

7
Q

pepsin is produced in

A

stomach

8
Q

part of neuron that brings the impulse into the neurocyte

A

dendrite

9
Q

which organelles are responsible for intracellular respiration

A

mitochondria

10
Q

we study the flow of energy through an ecosystem, we describe three types of organisms:
producers, consumers, and:

A

decomposers

11
Q

the nuclear membrane

A

.contains pores

F.controls the transport between the nucleus and cytoplasm

12
Q

For G2phase of cell cycle is typical:

A

follows after S phase of cell cycle, and includes the replication of mitochondria and other organelles

13
Q

Parents are O and AB blood groups. Their children could have blood groups:

A

50% A and 50% B, and different from parents blood groups

14
Q

The most common aneuploidy in newborns is

A

trisomy of chromosome 21 and downs syndrome

15
Q

Lipids are organic compounds that in a living cell may combine with:

A

proteins and polysacharrides

16
Q

Smooth endoplasmic reticulum is found in:

A

eukaryotes

17
Q

A prokaryotic cell does not contain:

A

nucleolus

18
Q

The rough ER is so named because it has an abundance of ________ on it.

A

ribosomes

19
Q

Animal and plant cells share the same structures except for:

A

thylakoid

20
Q

Proteins embedded in a lipid bilayer” best describes the following structure:

A

cell membrane

21
Q

ATP is required in the transport of:

A

low to high concentration against CG

22
Q

nucleus contains

A

nucleoplasm and chromatin

23
Q

Prior to cell division, each chromosome replicates its genetic material. The

products are connected by a centromere and are called:

A

sister chromatids

24
Q

During meiosis, any of the two chromosomes belonging to the whole chromosome set, randomly:

Select one:

A

ne:

a. become paired
b. exchange genetic material
c. are subjected to crossing over
d. all is false

e. all is true
D all is false !

25
Q

Different types of cells produced during oogenesis are called

A

oogocyuim oocyte and polar body

26
Q

Spermatogenesis gives rise to spermatides which are:

A

haploid and precursor of spermatozoa

27
Q

In humans, fertilization of an egg normally takes place when the sperm and egg unite in the:

A

fallopian tube

28
Q

The membrane which forms a sac, filled with fluid, that serves as a protection for the developing embryo is the:

A

Amnion

29
Q

Conjugation, transformation and transduction are connected to:

A

bacteria

30
Q

Genetically identical organisms derived from a single genetic source are called:

A

clones

31
Q

All mentioned below about DNA structure is correct EXCEPT:

A

deoxyribose and a base form a nucleotide

32
Q

codon

A

is a triplet

33
Q

For transcription the DNA polymerase is used.true or false

A

false

34
Q

M-phase of the cell cycle is comprised of:

Select one:

A

mitosis and cytokenisis

35
Q

The result of the monohybrid cross in the F2 generation is a characteristic 3:1 ratio of:

Select one:

A

dominant : recessive phenotypes

36
Q

Find the wrong statement among the following that are true for more than two alternative forms of a single gene:

Select one:

A

All of them can be found in the single individual.

37
Q

n a dihybrid cross parental generation can consist of parents that are:

A

both homozygous for both traits

38
Q

In the classical test cross, the testing of the dominant phenotype is always done with:

A

a recessive homozygote

39
Q

hemophilia is a hereditary

A

x linked disease

40
Q

Recombination of genes is the result of all except:

Select one:

A

chiasma

41
Q

Which disease is usually not the result of a mutation:

A

haemoloysis

42
Q

What does a restriction enzyme do?

Select one:

A

cuts DNA in specific sites

43
Q

Hearts own pacemaker is called:

A

sinoatrial node

44
Q

Appendix (vermiform) is an outgrowth of the:

A

colon

45
Q

Oxygen is transported from lungs to tissues:

A

bounded to haemoglobin in erythrocytes

46
Q

A concentration of carbon dioxide in the blood stimulates the breathing center in the:

Select one:

A

medulla oblongata

47
Q

The majority of oxygen in the bloodstream is carried in red blood cells on a globular protein called:

A

hemoglobin

48
Q

adrenal cortex produced

A

androgens and oestrogen

49
Q

olfaction is

A

sense of smell

50
Q

spleen and lymph nodes are part of the

A

immune system

51
Q

Ecology is the study of the interrelationships between organisms and their:

A

living and nonliving environment

52
Q

Cromagnon and Neanderthal men are:

Select one:

A

fossil men and cave dwellers

53
Q

Cromagnon and Neanderthal men are:

Select one:

A

fossil men and cave dwellers

54
Q

A region that has a characteristic set of environmental conditions and consequently a particular type of fauna and flora is called:

A

biotope