ملخصات التحليلات جامعة الطوسي مرحلة الرابعة

2. Which of the following is not a function of carbohydrates? a) Immune system regulation b) Energy production c) Cell communication d) Structural component

1. What is the primary function of carbohydrates in the human body? a) Energy storage b) Energy source c) Structural support d) Signal transduction

ملخص محاضره 4 كيمياء نضري

ملخص المحاضره 3 كيمياء نضري

ملخص محاضره الاولى+الثانيه كيمياء نضري بقت التسميه خوش نشروه مرتبه ماكتبته

شنو اسمها هاي التركيبه

هاي الدائرة شنو تعني

اسئلة احياء عملي كورس ثاني

_What is the first step in the virus replication cycle? a- Penetration b- Synthesis c- Attachment ✔️ d- Release _ _In which step are viral proteins and nucleic acids synthesized? a- Attachment b- Synthesis ✔️ c- Assembly d- Release __ _one of the more common viruses are: a-COVID-19 b-Influenza c-meningitis d-all of above ✔️ _ _ which virus can lead to AIDS? a- Influenza b- HIV ✔️ c- SARS-CoV-2 d- HPV

'What structure determines the shape of a virus? a- Nucleus b- Capsid ✔️ c- Cell wall d- Mitochondria ____ _How many triangular faces does an icosahedron have? a- 10 b- 15 c- 20✔️ d- 25 ___ _Which of the following viruses has an icosahedral shape? a- Rabies b- Measles c- Herpes simplex✔️ d- Tobacco mosaic virus ____ _What shape is described as a spiral, similar to DNA? a- Icosahedron b- Helix✔️ c- Complex d- Cubic ___ 5. Which of the following viruses has a helical shape? a- Polio b- Chicken pox c- Measles✔️ d- Herpes simplex __ _Which shape is a combination of two other shapes? a- Helix b- Icosahedron c- Complex✔️ d- Spherical ____ _Which of the following is an example of a complex-shaped virus? a- Tobacco mosaic virus b- Polio c- Rabies d- Bacteriophage✔️

_ What is the typical size range of most viruses? A_ 2-25 nm B_ 20-250 nm✔️ C_ 250-500 nm D_ 500-1000 nm ___ _viruses that infect bacteria are known as... A-bacteriophage B-genome C-phage D-A&C ✔️ ___ _What is a virulent phage? A- A phage that infects animals. B- A phage that always lysogenizes its host. C- A phage that always lyses its host cell.✔️ D- A phage that contains an envelope. ___ _What type of genetic material can be found in a viral genome? A- Both DNA and RNA B- Only DNA C- Only RNA D- Either DNA or RNA but not both ✔️ _ _the capsid of virus made up of subunits called.. A-capsomeres ✔️ B-nucleocapsid C-envelope D-None of all __ _the capsid is... A-outer protein coat ✔️ B-inner Protein coat C-structure inside the cell D-D-None of all ____ _one of the structural virus components that not found in all viruses is .. A-Genome B-capsid C-viral envelope✔️ D-all of above

احياءعملي محاضرة "4" _What are viruses? A_ Small cells B_ small Obligate intracellular parasites ✔️ C_ Multicellular organisms D_ Plants ___ _what is the basic structure of a virus? A_ Nucleic acid surrounded by a membrane B_ Nucleic acid surrounded by a protein coat ✔️ C_ Ribosomes surrounded by a lipid layer D_ Mitochondria surrounded by a cell wall __ _Where can viruses replicate? A_ Outside living cell B_ Anywhere in the environment C_ Only within living cells ✔️ D_ Only within non-living materials _ _What is the term for the combination of a capsid and genome in a virus? A_ Capsule B_ Nucleolus C_ Nucleocapsid ✔️ D_ Endosome ____ _Viruses have an inner core of nucleic acid surrounded by a protein coat known as an... A- Capsid B- Envelope ✔️ C- Nucleocapsid D- Matrix

False lactobacillus الإختيار الصح

اسئلة احياء اجت منه بل مد

-classification based on..... a-ingredients b-physical state ✔️ c-color d-a & c

._classification of bacteria based on: a-gram stain sensitivity ✔️ b-mode of respiration c-physical state d-shape of bacteria