DNA, Protein Synthesis

In humans, the haploid number of chromosomes is ____.

• 23

• 46

• 69

• 92

Tags

NGSS.HS-LS3-1

Which of the following is the best definition for MEIOSIS?

• the process of two haploid cells uniting

• the counting of chromosomes within a diploid cell

• a two-step process that reduces the number of chromosomes in half such that there is only one copy of all the chromosomes

• the equational division of a cell into two identical copies

Tags

NGSS.HS-LS3-2

True or False? Before cells undergo meiosis they pass through interphase first.

• true

• false

In which stage of MEIOSIS does crossing over occur? (The exchange of genetic material between chromosomes in a tetrad.)

• Anaphase I

• Metaphase I

• Prophase I

• Telophase I

How many cells are formed at the end of Meiosis II?

• 2

• 3

• 4

• 8

What are the four nitrogenous bases found in DNA?

• Adenine

• Thymine

• Glucose

• Guanine

• Cytosine

Which of the following will pair with Adenine?

• Guanine

• Thymine

• Cytosine

Which of the following will pair with Cytosine?

• Thymine

• Guanine

• Adeine

Where is Eukaryotic DNA generally located?

• In the cytoplasm

• In the nucleus

• In space

What is the principal enzyme involved in DNA replication

• glucose

• fructose

• DNA Polymerase

• Lactase