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Unit 4 Science Quiz

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Questions and Answers

Where does mitotic cell division occur?

In reproductive cells

In somatic cells (correct)

In nerve cells

In red blood cells

What is the diploid number of chromosomes in human somatic cells?

92 chromosomes

12 chromosomes

23 chromosomes

46 chromosomes (correct)

What is the main responsibility of the cell nucleus during cell division?

Contains genetic material (chromosomes) (correct)

Forms somatic cells

Produces gametes

Generates energy for the cell

What is the haploid number of chromosomes in human gametes?

23 chromosomes Signup and view all the answers

What type of cell division leads to reduction in chromosome number?

Meiosis or Meiotic cell division Signup and view all the answers

What is the Milky Way galaxy's shape?

Spiral Signup and view all the answers

What is the main component of the universe?

Galaxies Signup and view all the answers

What causes the expansion of the universe?

Galaxies moving away from each other Signup and view all the answers

What is the Milky Way galaxy's position in the universe?

Spiral arm of the universe Signup and view all the answers

What is the Milky Way galaxy's rotation pattern?

Around the center of the universe Signup and view all the answers