Growth +metabolism

Question 1

Trace elements ( essential micronutrients) are involved in ………

Answer 1

Enzyme function + maintenance of protein structure

Question 2

Nucleic acid , methane , magnesium sulfate , which of them is inorganic ???

Answer 2

magnesium sulfate لأن لا يحتوي على الكاربون والهيدروجين

Question 3

……………. Composes most of the bacterial cell weight and then ……….

Answer 3

Water
Protein (muscle عضلات🤨😉😉😉)

Question 4

Microbes require ………. Amount of minerals like , copper,molybdenum, zinc

Answer 4

Small

Question 5

Microbes require ……………amount of micronutreint like carbon,hydrogen,oxygen,nitrogen,phosphorus,potassium,magnesium,sod-ium,calcium,iron

Answer 5

Large

Question 6

…………..is a bacterial protein ,that concentrates iron from dilute solutions.

Answer 6

Siderophores يحمل وينقل

Question 7

Electron transfer agents in many metabolic pathways especially in cellular respiration .

Answer 7

Cytochromes

Question 8

…………is heme bounded to a protein ,functioning in ……….

Answer 8

Cytochromes
Electron transport

Question 9

Cytochromes are involved in ………….

Answer 9

Cellular respiration

Question 10

Another meaning of autotrophs term is ……………..

Answer 10

Lithotrophs

Question 11

Another meaning of heterotrophs term is …………..

Answer 11

Organotrophs

Question 12

Plant is photoautotrophs , but green non sulfure bacteria is ………….

Answer 12

Photoheterotrophs

Question 13

single-celled, non-photosynthetic protists

Answer 13

Protozoa

Question 14

The most common pathway of breaking down glucose (glycolysis) to pyruvic acid is…….

Answer 14

Embden-meyerhof -parner pathway (EMP)
نفس الي اخذنا بالخامس الأعدادي

Question 15

Examples of obligate intracellular bacteria is …………… and they are called ……………since they steal host’s ATP.

Answer 15

Rickettsia +chlamydia عديم الأشكال
Energy parasites

Question 16

Growth in a …………….system , remains exponential only for a few generation due to ………… and then enters …………..

Answer 16

Closed
Nutreint limitation + waste accumulation
A stationary phase

Question 17

Shorter generation(doubling time )means …………

Answer 17

Shorter incubation period of disease

Question 18

In …………and ………… phases , growth rate is zero.

Answer 18

Lag +stationary phase

Question 19

……………can live in air but don’t use it .

Answer 19

Aerotolerant anaerobes

Question 20

Oxygen first created by ………….

Answer 20

Cyanobacteria

Question 21

Macrophages can produce …………….to harm bacteria

Answer 21

Oxygen radicals

Question 22

This bacteria does use O2 as a final electron acceptor in their electron transfer chain , but they also can switch to fermentation in the abscence of oxygen …

Answer 22

Facultative anaerobes

Question 23

غير مبالٍ بالأوكسجين

Answer 23

Aerotolerant anaerobes

Question 24

need oxygen because they cannot ferment or respire anaerobically. However, they are poisoned by high concentrations of oxygen

Answer 24

Microaerophiles

Question 25

These bacteria use fermentation , but can also tolerate with the presence of oxygen

Answer 25

Aerotolerant anaerobes

Question 26

………….. is produced in pentose phosphate pathway which is parallel to ………….

Answer 26

NADPH
Glycolysis

Question 27

……………is a reduced form of a Co-enzyme that is important for the biosynthesis of fatty acids,cholestrol, nucleotides , neurotransmitters and also in many detoxification reactions .

Answer 27

NADPH

Question 28

A coenzme that is important for the biosynthesis of pentose sugars that is required in the synthesis of (NAD +FAD+Co-anzyme A )+(RNA+DNA+ATP).

Answer 28

NADPH

Question 29

Pentose phosphate pathway is also known as …………

Answer 29

Hexose monophosphate shunt

Question 30

……………is called Amphibolic

Answer 30

Krebs cycle

Question 31

According to favored temperature for growth , most pathogenic bacteria are

Answer 31

Mesophile
پس دمای طبیعی بدن انسان تو این دامنه است ، ۲۰تا۴۵

Question 32

About bacteria :-
Grow well at temperature of 4to 15 celsius…………
And ………..at 20 to 45 celsius
And ………at above 50 celsius

Answer 32

Psychrophile
Mesophile
Thermophile

Question 33

في ماذا يستخدم البكتريا ،الحديد؟؟؟؟

Answer 33

1/cellular respiration عجيب👅🤪
2/in cytochromes

Question 34

Spiral shaped bacteria are gram

Answer 34

Negative

Question 35

من هم اللاهوائيات فول ، الي يتخبلون من الهواء

Answer 35

١/ كلوزتريديوم ، العصوي الموجب ، قافل على نفسه
٢/باكتيرويد ، العصوي السالب، يتكهرب من الهواء