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Biology & Geology

Chapter 1 - Support and Movement in Living Organisms

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Chapter 2 - Hormonal Coordination in Living Organisms

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Chapter 3 - Reproduction in Living Organisms

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Chapter 4 - Immunity in Living Organisms

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Chapter 5 - Molecular Biology - DNA Structure and Function

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Chapter 6 - Molecular Biology - RNA, Protein Synthesis and Genetic Engineering

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Chapter 7 - Geology, Earth Sciences and Ecology

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Quiz

Lesson 2 Quiz: Adrenal Glands, The Pancreas and Reproductive Gonads

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  • Questions count: 5
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1.
Why is the genetic code described as 'degenerate' or 'redundant'?
One codon can code for multiple different amino acids.
The genetic code decays as the cell ages.
Multiple different codons can code for the same single amino acid.
The genetic code differs completely between bacteria and humans.
2.
In a titration experiment, 20.0 mL of 0.15 M H2SO4 is completely neutralized by 30.0 mL of NaOH solution. The molar concentration of the NaOH solution is:
0.20 M
0.30 M
0.05 M
0.10 M
3.
We visited the pottery village in Fustat ________ our holiday in Cairo.
during
while
as
when
4.
The sum to infinity of the geometric series 16 + 8 + 4 + 2 + ... equals:
64
24
32
30
5.
Double fertilization in flowering plants involves two fusions:
The fusion of two pollen grains with one egg
Chromosome duplication in Takht cells
Fusion of petals with sepals
The fusion of the zygote nucleus (N) with the egg nucleus (N) to form the zygote (2N), and the fusion of the second nuclei (N) with the two polar nuclei (2N) to form the sperm nucleus.Dosperm (3N)
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