Biology 1- Genes and Enzymes

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Edexcel GCSE Biology Topic 1 Quiz
mirandasmith98
Quiz por mirandasmith98, atualizado more than 1 year ago
mirandasmith98
Criado por mirandasmith98 mais de 9 anos atrás
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Resumo de Recurso

Questão 1

Questão
What 4 things do BOTH plant and animal cells have?
Responda
  • Nucleus, Rigid cell wall, Cell Membrane, Cytoplasm
  • Flagellum, Chloroplasts, Cytoplasm, Nucleus
  • Nucleus, Cytoplasm, Cell Membrane, Mitochondria
  • Mitochondria, Nucleus, Cell Membrane, Rigid Cell Wall

Questão 2

Questão
What are PLASMIDS?
Responda
  • Hair like structures which make the bacterium move.
  • Small loops of DNA which contain genes for things like drug resistance.
  • Big loops of DNA which contain enzymes to catalyse reactions.

Questão 3

Questão
What makes a bacterium cell move?
Responda
  • Plasmids
  • Nucleus
  • Chromosomal DNA
  • Flagellum

Questão 4

Questão
Which type of microscope allows us to see things in more detail?
Responda
  • Light Microscope
  • Electron microscope
  • Plasmid microscope

Questão 5

Questão
What is the equation for magnification?
Responda
  • Magnification = Length of Image / Length of specimen
  • Magnification = Length of specimen / Length of image
  • Magnification = Length of microscope / Length of specimen

Questão 6

Questão
What does a DNA molecule look like?
Responda
  • Two strands coiled together in double helix
  • Single strand
  • Two strands lined up next to each other
  • Triple helix

Questão 7

Questão
What chemicals pair up in a DNA strand?
Responda
  • A and G, C and T
  • A and T, C and G
  • A and C, T and U
  • C and U, G and A

Questão 8

Questão
Who came up with the model of the DNA double helix structure?
Responda
  • Franklin and Wilkins
  • Franklin and Crick
  • Watson and Wilkins
  • Franklin and Watson
  • Watson and Crick
  • Wilkins and Crick

Questão 9

Questão
Which of these is NOT a good thing about the Human Genome Project?
Responda
  • Could help people get life insurance
  • Predict and Prevent diseases
  • Help to develop new medicines designed specifically for us
  • Improve forensic science

Questão 10

Questão
What was the aim of the Human Genome Project?
Responda
  • Try and find 99% of all DNA
  • Try and find every single human gene
  • Try and find 50% of DNA
  • Try and find 99% of human genes

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