Unreactive - Study guides, Class notes & Summaries
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PRITE EXAM (2024/2025) - Questions and Answers (Complete Solutions)
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PRITE EXAM (2024/2025) - Questions and Answers (Complete Solutions) Amnesia preceded by epigastric sensation and fear are associated with electrical abnormality where? Temporal lobe Memory loss pattern in dissociative amnesia Memory loss occurs for a discrete period of time Amnesia characterized by loss of memory of events that occur after onset of etiologic condition or agent Anterograde What psychoactive drug produces amnesia? Alcohol Brain Lesions ... Visual problem in pituitary tumor compr...
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TAMU BIOL 111 FLETCHER FINAL EXAM WITH VERIFIED SOLUTIONS ALREADY GRADED A+
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describe the basic functions all life forms must accomplish 
-response to environmental stimuli & maintain homeostasis 
-uptake and processing of nutrients/energy 
-regulation 
-growth and reproduction 
 
 
 
compare and contrast eukaryotic and prokaryotic cell types 
Prokaryotes: 
-circular chromosomes, no nucleus, no organelles, 3.5 bya 
-DNA concentrated in nucleoid 
Eukaryotes: 
-linear chromosomes, nucleus, organelles, 1.5 bya 
-DNA concentrated in nucleus 
Both: 
-cellular function takes p...
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OCR 2023 GCSE CHEMISTRY B TWENTY FIRST CENTURY SCIENCE J258/03: BREADTH IN CHEMISTRY (HIGHER TIER) QUESTION PAPER & MARK SCHEME (MERGED
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© OCR 2023 
1 Argon forms 1% of the air and is unreactive. 
Argon is used as a replacement for nitrogen when nitrogen is too reactive. 
(a) Argon is unreactive because it is in Group 0 of the Periodic Table. 
State one other property of argon. 
.............................................................................................................................................. [1] 
(b) Chlorine is very reactive. Argon is unreactive. 
Explain how the reactivity of these two elements a...
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Human growth and development Test 1: with Complete Solutions | Verified& Updated 2024 | Already Passed
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Human growth and development Test 1: with 
Complete Solutions | Verified& Updated 2024 | 
Already Passed 
Homozygous - Alleles that are the same are called 
Phenotypes - Aubrey and Ava are identical twins who were raised in separate homes by their 
divorced parents. Now, as they enter elementary school, Aubrey shows mild symptoms of 
phenylketonuria (PKU), but Ava's symptoms are more severe. The girls have different ________ 
for this disease. 
Down Syndrome - Which condition involves an extra ...
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Human growth and development Test 1: with Complete Solutions | Verified& Updated 2024 | Already Passed
- Exam (elaborations) • 25 pages • 2024
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Human growth and development Test 1: with 
Complete Solutions | Verified& Updated 2024 | 
Already Passed 
Homozygous - Alleles that are the same are called 
Phenotypes - Aubrey and Ava are identical twins who were raised in separate homes by their 
divorced parents. Now, as they enter elementary school, Aubrey shows mild symptoms of 
phenylketonuria (PKU), but Ava's symptoms are more severe. The girls have different ________ 
for this disease. 
Down Syndrome - Which condition involves an extra ...
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OCR 2023 GCSE Combined Science Chemistry A Gateway Science J250/10: Paper 10 (Higher Tier) Question Paper & Mark Scheme (Merged
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2 
© OCR 2023 
Section A 
You should spend a maximum of 20 minutes on this section. 
Write your answer to each question in the box provided. 
1 Which reactions can be catalysed by an enzyme? 
A Combustion reactions 
B Electrolysis of metal ores 
C Reactions in biological systems 
D Reactions of metals with acids 
Your answer [1] 
2 Which row correctly describes the Group 0 elements? 
Physical state at 25°C Reactivity 
A gas very reactive 
B gas very unreactive 
C liquid very reactive 
D liquid...
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OCR 2023 GCSE CHEMISTRY B TWENTY FIRST CENTURY SCIENCE J258/03: BREADTH IN CHEMISTRY (HIGHER TIER) QUESTION PAPER & MARK SCHEME (MERGED)
- Exam (elaborations) • 49 pages • 2024
- Available in package deal
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- $7.99
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2 
© OCR 2023 
1 Argon forms 1% of the air and is unreactive. 
Argon is used as a replacement for nitrogen when nitrogen is too reactive. 
(a) Argon is unreactive because it is in Group 0 of the Periodic Table. 
State one other property of argon. 
.............................................................................................................................................. [1] 
(b) Chlorine is very reactive. Argon is unreactive. 
Explain how the reactivity of these two elements a...
-
OCR 2023 GCSE Combined Science Chemistry A Gateway Science J250/10: Paper 10 (Higher Tier) Question Paper & Mark Scheme (Merged)
- Exam (elaborations) • 45 pages • 2024
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- $8.49
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2 
© OCR 2023 
Section A 
You should spend a maximum of 20 minutes on this section. 
Write your answer to each question in the box provided. 
1 Which reactions can be catalysed by an enzyme? 
A Combustion reactions 
B Electrolysis of metal ores 
C Reactions in biological systems 
D Reactions of metals with acids 
Your answer [1] 
2 Which row correctly describes the Group 0 elements? 
Physical state at 25°C Reactivity 
A gas very reactive 
B gas very unreactive 
C liquid very reactive 
D liquid...
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Radon Certification Exam| Questions and 100% Complete Solutions| A+ Rated
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Radon Gas Characteristics - -not detected by human senses 
-naturally occurring 
-chemically unreactive 
The nucleus of an atom consists of ____________ and ______________ - protons and 
neutrons 
What characteristic of an atom determines the charge? - Electrons 
What characteristic of an atom determines the isotope? - Nuetrons 
What characteristic of an atom determines the element I.D? - Protons
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Radon Certification Questions and Answers Graded A+
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Radon Certification Questions and 
 
Answers Graded A+ 
 
Radon Gas Characteristics -not detected by human senses 
-naturally occurring 
-chemically unreactive 
 
The nucleus of an atom consists of ____________ and ______________ protons and 
neutrons 
 
What characteristic of an atom determines the charge? Electrons 
 
What characteristic of an atom determines the isotope? Nuetrons 
 
What characteristic of an atom determines the element I.D? Protons 
 
What determines the atomic mass number? T...
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