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محاضره 2اجهزه نضري نفسه هي 9اجهزه عملي (الحاضنه)
مرحبا حبايبي 😊👋
📛تبليغ يخص مادة الحاسوب / صباحي + مسائي
كل طالب لم يمتحن مد حاسوب اطلاقاً
سوآ كان غائب او مجاز.
يراسل الدكتور على( الرقم او معرف التليجرام) الخاص بالدكتور. الموجود ادناه.
والتبليغ يخص كل الكروبات و للدراستين الصباحية والمسائية.
🔵 ملاحظة / اليوم اخر فرصة لهم حتى توضع حلول لمشكلتهم وعليهم التواصل اليوم مع د. زيد 😊🌹
@zaid_shukur2 /معرف د. زيد
رقم هاتف د. زيد/ 07811318012
انشروه في كل القنوات اذا تكدرون بتبليغ من الدكتور نفسه 🌿💙
_microtome is called this name because the rotary action of the hand wheel actuator.
(rotary microtome)
____
_microtome is most commonly used for routines and research purpose. (rotary microtome)
__
_in Rocking microtome, the cutting angle of the knife can not be adjusted ,this is on of it's...(disadvantages)
'____
_The main factor necessary to maintain the pH meter is (regular calibration)
_it is a scientific instrument used for measuring the acidity or alkalinity of a solution.
(PH meter)
____
_The degree of acidity or alkalinity is measured on a scale from. (0 to14)
__
_when H concentration is equal oH concentration the material is. (neutral)
___
_type of ph meter it usually ideal for laboratory.(Desktop pH meter)
____
_part of pH meter used to amplify the electrical charge which comes from electrode and pass to galvanometer. (Amplifier)
__
_instrument used to measure water quality.(PH meter)
____
_a separations technique that is based on the mobility of ions in an electric field. (Electrophoresis)
___
_in Electrophoresis negative charged ions migrate toward a
(positive electrode)
_
_type of electrophoresis used widely in clinical laboratories. (cellulose acetate Electrophoresis)
_
_in biology, the electrophoresis is used in. (sequencDNA)
⭕تنبيه⭕ :
🛑 المحاضرات الداخلة في فاينل مادة الأجهزة (النظري)
🔹1- Microtom
🔹2- PH Meter
🔹3- Electrophoresis
🔹4- Incubator
🔹5- Water bath
مرحبا حبايبي 😊👋
🛑📜 تقرر اعطاء كل طالب في مادة اللغة العربية 4 درجات على السعي.
تبليغ /د. فاطمة و القسم. 💚💙🌿
answers:
1. a
2. c
3. b
4. a
5. c
6. c
7. c
8. a
9. b
10. c
1. bacteria cells are:
a) prokaryotic
b) eukaryotic
c) plant-like
2. the energy production structure found in bacterial cells is the:
a) mitochondrion
b) chloroplast
c) nucleoid
3. bacterial DNA is found:
a) in the nucleus
b) suspended in the cytoplasm
c) in organelles
4. bacteria move using:
a) flagella
b) cilia
c) they don't move
5. autotrophic bacteria obtain their food through:
a) photosynthesis
b) consuming other organisms
c) producing their own food
6. the domain that bacteria belong to is the:
a) eukarya
b) archaea
c) bacteria
7. an example of an extreme environment bacteria can survive in is:
a) hot springs
b) acidic soils
c) both a and b
8. aerobic bacteria:
a) require oxygen
b) do not require oxygen
c) can survive with or without oxygen
9. anaerobic bacteria:
a) require oxygen
b) do not require oxygen
c) can survive with or without oxygen
10. an example of bacteria that feeds on dead and decaying matter is:
a) autotrophic
b) parasitic
c) saprophytic
