Biology Competition

When is DNA replicated during the cell cycle?

• During the G₁ phase
• During the G₂ phase 
• During the S phase
•  During the M phase

What best describes the genetic material shown in photograph E.

• The chromosomes are in anaphase
• The chromosomes are in metaphase 
• DNA is possibly being replicated
• The genetic material is around the poles and cytokinesis is occurring 

Tags

NGSS.HS-LS1-4

 Which sequence depicts the correct order of protein synthesis within a cell? 

• DNA → mRNA → amino acids → proteins
• DNA → amino acids → mRNA → proteins
•  DNA → mRNA → proteins → amino acids
• DNA → proteins → amino acids → mRNA

Tags

NGSS.HS-LS1-1

Some peeled pieces of apple were placed in distilled water and some in very salty water. The cells in the apple pieces will…

• Lose water in both solutions
• Gain water in both solutions
• Lose water in the distilled water and gain water in the salty water
• Gain water in the distilled water and lose water in the salty water

Tags

NGSS.MS-LS1-5

How do viruses reproduce?

• They copy their own genetic material inside a protein coat.
• They kill a cell and reproduce inside it.
• They invade a living cell and use the cell's functions to replicate their genetic material.
• They do not reproduce because they are not technically living things.

Which statement describes the components that make up the genetic code of all organisms?

• The components are unique in every kind of organisms
• the components are the same for all organisms
• the components are the same only for unicellular organisms
• the components are unique in all kinds of organisms that reproduce sexually

Tags

NGSS.HS-LS1-1

The diagram shows the base sequence of a strand of DNA.
From left to right, what is the sequence of the complementary strand of DNA in this molecule?

• T G A A C
• A C T  T G
• T G U U C
• U C T T G

what are the reactants for cellular respiration?

• H₂O and O₂
• glucose and O₂
• glucose and CO₂
• H₂O and CO₂

Tags

NGSS.HS-LS1-7

The genetic variation that leads to evolution can occur when genes from one population are introduced into the gene pool of a different population.  This process is known as

• mutation
• crossing over
• natural selection
• gene flow

The legs of crocodiles and mice have similar bone structures and develop in a similar way.  What type of structures are the leg bones?

• homologous structures
• analogous structures
• fossilized structures
• vestigial structures

Tags

NGSS.HS-LS4-1