BIOLOGY
🇬🇧
In English
In English
Practice Known Questions
Stay up to date with your due questions
Complete 5 questions to enable practice
Exams
Exam: Test your skills
Course needs 15 questions
Learn New Questions
Manual Mode [BETA]
The course owner has not enabled manual mode
Specific modes
Learn with flashcards
Complete the sentence
Listening & SpellingSpelling: Type what you hear
multiple choiceMultiple choice mode
SpeakingAnswer with voice
Speaking & ListeningPractice pronunciation
TypingTyping only mode
BIOLOGY - Leaderboard
BIOLOGY - Details
Levels:
Questions:
7 questions
| 🇬🇧 | 🇬🇧 |
| Describe how the clinical trials should be carried out. | 1) live skin cells grown in lab - tests efficacy and side effects 2) animals - moniters side effects 3) healthy volunteers - safety 4) ill patients - ensure safety, if it works, gradualy increase until optimum dosage |
| Describe the effects of liver failure on the human body. | THESE 4 KEY PROCESSES WONT BE ABLE TO OCCUR: 1) Deammination - ammonia is broken down to urea to be excreted 2) Detoxification - ethanol is detoxified in the liver 3) Bile - Liver contains bile wich emulsifies fats, without this it will take longer to break down 4) Glucose - glycogen |
| What type of defence are thorns | Mechanical |
| Test for glucose. | 1)5cm3 - 10 drops benidict 2)75degrees 5 minutes pointing away 3)blue-green-yellow-brick red |
| Test for starch. | 1)5cm3 - few drops iodine 2)gently shake 3)browny orange-blue black |
| 3 stages of cell cycle. | 1) cell grows, subcellular structures dubplicate, dna duplicates and forms x shaped chromosomes 2)mitosis, chromosomes line up at centre of cell and fibres pull them apart, two arms of each chromosome go on opposite ends, membranes form around them forming 2 nuclei 3)then cytoplasm and cell membrane divide |