biolog

Which represents the correct sequence of stages in the cell cycle?  

• G₁, G₂, M, S

• G₁, G₂, S, M

• G₁, S, G₂, M

• G₁, M, G₂, S

Which of the following is NOT true concerning mitosis?  

• Animal cells form a cell plate during cytokinesis while plant cells do not.

• Mitosis allows growth and increase in size in both plants and animals.

• Both plant and animal cells undergo cytokinesis.

• Plant cells lack centrioles while animal cells do not.

Tags

NGSS.HS-LS1-4

Apoptosis  

• 
  is programmed cell death.

• frees the fingers and toes of the human embryo from their ‘webbed' structure to independent structures.

• is a process that acts to decrease the number of somatic cells.

• all of the choices are correct

The region that contains the genetic information in a bacterial cell is called the  

• nucleoid

• nucleus

• nucleolus

• nucleosome

If a parent cell has 48 chromosomes, how many chromosomes will each daughter cell have after mitosis and cytokinesis occurs?  

• 48 chromosmoes

• 24 chromosomes

• 12 chromosomes

• 96 chromosomes

Tags

NGSS.HS-LS1-4

Interphase:  

• results in an increase in cell size

• occupies the majority of the cell cycle

• includes G1, S and G2 stages

• All of the answer choices are correct.

Which is NOT true about the chromosomes of a multicellular organism?  

• Each chromosome separates into two daughter chromosomes by binary fission.

• They are made up of DNA and protein.

• Each chromosome is replicated into two chromatids during the S phase of interphase.

• All cells contain chromosomes that carry the same genetic information.

Tags

NGSS.HS-LS3-1

When during the cell cycle is a cell’s DNA replicated?

    

• G2 Phase

• G1 phase

• S phase

• M phase

During which phase of mitosis do the chromosomes line up along the middle of the dividing cell?

• anaphase

• 
  metaphase

• telophase

• prophase

Tags

NGSS.HS-LS1-4

What is the role of the spindle during mitosis?

• It helps divide the cell

• It duplicates the DNA.

• It helps separate the chromosomes

Tags

NGSS.HS-LS1-4