Periodical Exam

Question 1

Which of the following organelles is not matched with its corresponding function?

Answer 1

Golgi Aparatus, DNA Replication

Question 2

Which of the following corresponds to an organelle that breaks down cellular debris?

Answer 2

Lysosome

Question 3

Which of the organelles are associated with energy and release of energy?

Answer 3

Mitochondria and chloroplast

Question 4

Which of the following is NOT one of the main components of the cell theory?

Answer 4

Cells must contain DNA

Question 5

He discovered that all plants were made of cells, which contributed to the development of the cell theory

Answer 5

Matthias Schleiden

Question 6

Which of the following structure can be found in a plant cell but NOT in animal cell?

Answer 6

Chloroplast

Question 7

When does crossing over happens?

Answer 7

Prophase 1

Question 8

Where does the cell spend most of the time carrying metabolism in the cell cycle?

Answer 8

Interphase

Question 9

Who coined the term “nucleus” first?

Answer 9

Robert Brown

Question 10

What is the other term for Down Syndrome?

Answer 10

Trisomy 21

Question 11

How many pairs chromosomes do human somatic (body) cells have?

Answer 11

23

Question 12

A cell containing 72 chromatids at metaphase of mitosis would, at its completion produce two nuclei each containing how many chromosomes?

Answer 12

36

Question 13

Which of the following happens during both meiosis and mitosis?

Answer 13

Sister chromatids

Question 14

Which phase occurs directly after metaphase?

Answer 14

Anaphase

Question 15

Which of the following best describes the main difference between meiosis and mitosis?

Answer 15

Mitosis makes genetically identical copies; meiosis does not

Question 16

Why would it be important to replicate DNA before a cell divides in mitosis or meiosis?

Answer 16

In order for genetic information to be transferred into daughter cells

Question 17

What causes aneuploidy to occur?

Answer 17

Nondisjuction of homologous chromosomes

Question 18

I am protein packaging and shipping machine! Who am I!?

Answer 18

Golgi bodies

Question 19

What is the structure that separates the cell contents from its environment?

Answer 19

Cell Membrane

Question 20

The following organelles can be found on both plant and animal cell, except?

Answer 20

Chloroplast

Question 21

On Meiosis I, shortest phase

Answer 21

Methaphase 1

Question 22

On Meiosis I, chromosomes allignment

Answer 22

Metaphase 1

Question 23

Mitosis:
Number of Chromosomes and Chromatids (STARTS) - ?
Number of Chromosomes and Chromatids (END) - ?

Answer 23

(START):
46 chromosomes
92 chromatids
(END):
46 chromosomes
46 chromatids

Question 24

Meiosis I
Number of Chromosomes and Chromatids (STARTS) - ?
Number of Chromosomes and Chromatids (END) - ?

Answer 24

(START):
46 chromosomes
92 chromatids
(END):
23 chromosomes
46 chromatids

Question 25

Meiosis II
Number of Chromosomes and Chromatids (STARTS) - ?
Number of Chromosomes and Chromatids (END) - ?

Answer 25

(START):
23 chromosomes
46 chromatids
(END):
23 chromosomes
23 chromatids