Cell differentiation is critical during embryonic development. The process of cell differentiation results in the production of many different kinds of specialized cells. This process is most directly influenced by

• DNA

• Lipids

• Carbohydrates

• ATP

Tags

NGSS.HS-LS1-4

What is the role of stem cells in cell differentiation?

• These cells can turn into specialized cells and back into generalized cells when needed

• They are generalized cells that can lead to specialized cells

• They are specialized cells that can lead to generalized cells

Tags

NGSS.HS-LS1-4

Which reason explains why nerve cells function differently than muscle cells?

• In nerve cells all the genes are expressed.

• In muscle cells all the genes are expressed.

• In both kinds of cells the same genes are expressed.

• In both kinds of cells different genes are expressed.

What is the amino acid sequence for the following mRNA strand:

CCA-GAG-UAG

Write your answer like this: ___-___-___

What is the amino acid sequence for the following mRNA strand:

UCG-GAA-CAU

Write your answer like this: ___-___-___

Tags

NGSS.HS-LS1-1

What is the amino acid sequence for the following mRNA strand:

AGG-UUC-CUG

Write your answer like this: ___-___-___

Tags

NGSS.HS-LS1-1

Label this image:

1= ​ (a)  

2= ​ (b)  

4= ​ (c)  

7= ​ (d)  

• DNA
• mRNA
• tRNA
• rRNA (ribosome)

Tags

NGSS.HS-LS1-1

The sequence of DNA below is part of a gene. How many amino acids are coded for by this segment? ATC AGC GCT GGC CCC GTA

• 2

• 3

• 6

• 18

Tags

NGSS.HS-LS1-1

Some events that take place during the synthesis of a specific protein are listed below. Put them in the correct order.

• Transfer RNA bonds to a specific codon.

• RNA moves from the nucleus to the cytoplasm.

• DNA serves as a template for RNA production.

• Amino acids are bonded together.

• Messenger RNA attaches to a ribosome.

Tags

NGSS.HS-LS1-1

The process represented in the diagram is most closely associated with the cell organelle known as the

• ribosome

• nucleolus

• mitochondrion

• chloroplast

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6