Plasmids Samenvattingen, Notities en Examens

The functional unit of genetic information is the A) nucleotide. B) gene. C) chromosome. D) protein. B) gene Which of the following statements is TRUE concerning mRNA? A) mRNA has a very short half-life. B) mRNA has complex secondary structure. C) mRNA is catalytic. D) mRNA is the product of translation. A) mRNA has a very short half-life. 00:01 01:22 DNA-binding proteins interact predominantly within which portion of a double-stranded DNA helix? A) major groov...

Medical Microbiology Final Exam (2023) | Questions & Answers (Graded A+) Medical Microbiology Final Exam (2023) | Questions & Answers (Graded A+) All microorganisms are best defined as organisms that: A. cause human disease B. lack a cell nucleus C. are infectious particles D. are too small to be seen with the unaided eye E. can only be found growing in laboratories - ANSWER - D. are too small to be seen with the unaided eye Which of the following is a difference between prokaryotic...

Biology GCSE Questions and Answers Already Graded A What are the parts of an animal (and plant) cell? Nucleus Cytoplasm Cell membrane Mitochondria What are parts of a plant cell? Rigid cell wall Large vacuole Chloroplasts (nucleus, cytoplasm, cell membrane and mitochondria) What does the nucleus do? Contains DNA that controls what the cell does What does the cytoplasm do? Its a gel-like substance where most of the chemical reactions happpen What does the cell membrane do? Holds the cell toge...

AQA GCSE Biology - Paper 1 Latest Test Exam Questions 2024. What does a nucleus do? - CORRECT ANSWER It contains genetic material and controls the activities of the cell What does cytoplasm do? - CORRECT ANSWER It's a gel-like substance where most of the chemical reactions happen. It contains enzymes that control these chemical reactions What does a cell membrane do? - CORRECT ANSWER It holds the cell together and controls what goes in and out What do mitochondria do? - CORRECT AN...

MICROBIOLOGY: 13TH EDITION REAL EXAM QUESTIONS COMBINED LATEST UPDATE 2023/2024 1) In the condition called athlete's foot, the fungus Trichophyton consumes the keratin protein found in hair, nails, and dead skin. Which of the following descriptors does not apply to Trichophyton? A) Saprobe B) Parasite C) Heterotroph D) Eukaryote 2) Which of the following statements is correct? A) All fungi, whether parasiteor saprobe, are heterotrophs. B) All heterotrophs are parasites, but on...

ADVANCED PLACEMENT (AP) BIOLOGY: Plant Biology 122 Questions Correctly Answered | 100% Rated Question 1 Which is of the following is not an adaptation/modification that enabled plants to move from aquatic to terrestrial environments as they evolved? Possible Answers: Stomata Thylakoid membranes Cutin Roots and root hairs Correct answer: Thylakoid membranes Question 2 Which structures did not evolve after plants emerged onto land? Possible Answers: Stomata Seeds Cell wal...

Name five parts of an animal cell? - correct answer Nucleus, cytoplasm, cell membrane, ribosomes, mitochondria Name three structures found in plant cells but not in animal cells? - correct answer Chloroplast, Cell wall, Vacuole What type of cell(s) contain plasmids? - correct answer Bacteria Name the part of the cell that controls the activities of the cell? - correct answer Nucleus What important substances are made by ribosomes? - correct answer Proteins What controls the e...

Which statement is true about enzymes? Enzymes A. Are made up of a base containing nitrogen, phosphate, and ribose. B. Have activity that is independent of temperature and pH. C. Lose some or all of their normal activity when their 3-D structure is disrupted. D. Provide the activation energy needed to activate a reaction. E. Work once only and then are destroyed. correct answersC. Lose some or all of their normal activity when their 3-D structure is disrupted. You have a multicellular ...

Combined Science Higher Biology GCSE 9-1 AQA Flashcards Graded A+ What is a cell? ️The basic unit of all living things What is a eukaryotic cell? ️A cell with a nucleus What is a prokaryotic cell? ️A cell without a nucleus Features of a eukaryotic cell? ️- Have a membrane bound nucleus - Large (10 - 100 µm) - Multi cellular - Complex Features of a prokaryotic cell? ️- Lacks a nucleus - Small (0.1 - 5 µm) - Unicellular - Simple Example of prokaryotic cell... ️Bacteria ...

All cells must have... - Answer--Nucleic acids that store and transmit info -Proteins that perform most of the cells functions -Carbs that provide chemical energy, carbon, support, identity -A plasma membrane which serves as a selectively permeable membrane barrier. Pro: Chromosome - Answer-Singular, circular chromosome that consists of large DNA molecules with a small number of proteins Pro: Nucleoid - Answer-location and structural organization of circular chromosome. Pro: Plasmids - An...