M13 L2 Origin of Life

Amino acids are the building blocks of ______.

• proteins

• carbohydrates

• lipids

• nucleic acids

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

Life requires ______, not just amino acids.

• proteins

• carbohydrates

• lipids

• nucleic acids

Tags

NGSS.HS-LS1-1

In the Miller-Urey experiment, amino acids could ______ to each other.

• link

• repel

• evaporate

• dissolve

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NGSS.HS-LS1-6

Without support, proteins could easily ______.

• break apart

• grow larger

• change color

• absorb water

______ in soil may have helped proteins form by holding amino acids together.

• Clay

• Sand

• Water

• Salt

Proteins may have formed more ______ when clay was present.

• easily

• slowly

• rarely

• difficultly

Life needs a ______ system for making proteins.

• coding

• amino acids

• nucleuotides

• clay

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

This system is made of either ______ or ______.

• DNA, RNA

• Proteins, DNA

• Nucleotides, Fats

• Enzymes, Ribozymes

RNA molecules called ______ may have acted like enzymes.

• ribozymes

• ribosomes

• molecules

• chromosomes

Some RNA can evolve through ______ ______.

• natural selection

• mutation

• chemical synthesis

• random selection

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-4