boilogy

Question 1

what does DNA stand for

Answer 1

deoxyribonucleic acid

Question 2

where is the cell stores DNA

Answer 2

nucleus

Question 3

how many chromosomes are in DNA and how many pairs

Answer 3

46 chromosomes and 23 pairs of

Question 4

what’s a gene

Answer 4

a section of DNA

Question 5

what’s a chromosome complement

Answer 5

a specific number of chrimosome

Question 6

what’s is the site of fertilisation

Answer 6

oviduct

Question 7

what’s the shape of DNA

Answer 7

double helix

Question 8

what’s is each strand made up of

Answer 8

sugar phosphate backbone

Question 9

what are the four bases of dna called

Answer 9

guanine + cytosine. thymine + adenine

Question 10

what can 3 ways DNA profiling be used for

Answer 10

identify DNA at crime scenes and paternity tests and diagnose an inherited disease

Question 11

what is a microorganism

Answer 11

a very small living organism. they can’t be seen by the naked eye

Question 12

what are the three types of microbes?

Answer 12

bacteria, fungi and viruses

Question 13

can bacteria be good and bad

Answer 13

yes

Question 14

can viruses be good and bad

Answer 14

no all bad

Question 15

can fungi be good and bad

Answer 15

yes

Question 16

what disease can bacteria cause

Answer 16

food poisoning and tonsillitis

Question 17

what virus am can a virus cause

Answer 17

flu and measles

Question 18

what diseases are caused by fungi

Answer 18

ring worm, athleates foot

Question 19

what is used to treat bacteria

Answer 19

antibiotics

Question 20

what are viruses treated with

Answer 20

vaccines

Question 21

what is fungi treated with

Answer 21

anti fungals

Question 22

what’s the smallest organism

Answer 22

virus

Question 23

what’s aseptic

Answer 23

everything clean

Question 24

what do microbes need to reproduce succefully

Answer 24

food supply, suitable temperature, suitable pH, oxygen and moisture

Question 25

what’s are symptoms of a disease

Answer 25

fever, chills and congestion

Question 26

how do pathogens spread

Answer 26

contact, air and body fluids

Question 27

what’s the difference between a infection ans a diesease

Answer 27

an infection is when a microbe enters the body and multiplies. a disease is the damage a dies was caused to the body

Question 28

what happens if your jody cannot fight off the infection

Answer 28

the pathogen will cause a dieseas

Question 29

where do pathogens/microbes enter from

Answer 29

nose and mouth and cuts

Question 30

what’s the body’s first line of defence

Answer 30

skin, mucus, tears and stomach acid

Question 31

what’s the second line of defence

Answer 31

plasma, red blood cells, white blood cells and platlets

Question 32

what are the two white blood cells

Answer 32

phagocytes and lymphocites

Question 33

what brings food to the baby/feotus

Answer 33

umbilical cord

Question 34

where does fertilisation occur

Answer 34

oviduvt

Question 35

what do platelets do

Answer 35

stop the bleeding

Question 36

what are the two types of immunity

Answer 36

natural immunity and artificial immunity

Question 37

what do vaccines contain

Answer 37

a dead or weakened version of the pathogen

Question 38

what’s a memory cell

Answer 38

remembers how to fight off the pathogen if the body encounters it again

Question 39

where does the feotus develop

Answer 39

uterus

Question 40

what so the function of the ovaries

Answer 40

to store the eggs

Question 41

what is the function of a sperm duct

Answer 41

carries sperm from testes to penis

Question 42

what’s the cervix’s function

Answer 42

site of entry to uterus

Question 43

what’s the amniotic sac

Answer 43

it surrounds the feotus and is filled with amniotic fluid and acts as a shock absorber protecting the baby

Question 44

what’s should you not do if ur pregnant

Answer 44

don’t drink alcohol take drugs or smoke

Question 45

what does enzyme do

Answer 45

kills microbes

Question 46

what’s the placenta

Answer 46

an organ that allows blood supplies of the mother and feotus to come into contact with