Practice Test CH3

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(True or False)Cell division results in reproduction, growth, replacement, and /recycling/ of the organism

False (repair)

During which stage of interphase do cells store energy for use in the mitotic phase?

G2 stage

Choose the type of tissue that causes movement in most animals.

Muscle

What are the four major types of tissue found in most animals?

Muscle, connective, nervous, and epithelial

Connective tissue serves which purpose in a multicellular organism?

Provides structure and support

During the ____ stage of interphase

S

During the _________ step of mitosis, two new identical cells form

Telophase

If a cell, before prepping for division, has 18 chromatids, how many chromatids will each daughter cell have after mitosis?

18

The algae that grow on an aquarium are unicellular _____________.

organisms

What does muscle tissue do?

Causes movement

Animal cells do NOT have _______

Cell plates/walls

If a cell has 22 chromosomes during prophase, how many chromatids does it have?

44 (X2 in this situation)

Which best describes how a plant cell divides?

A new cell plate forms in the middle of the cell and two new cells are formed

Some of the fastest cells to complete a cell cycle are bacteria. Under perfect conditions, how long does it take to complete 1 cell cycle?

About 15-20 minutes

____________ stem cells carry out cell repair and replacement such as making new blood cells and repairing damaged muscle fiber

Animals

Which type of cell divides by the cell membrane pinching together, also known as cleaving, until the two cells split apart?

Animal

Which choose correctly correctly describes the two phases of the cell cycle?

Cells grow and developed during interphase. Cells reproduce during the mitotic phase

All of the following are forms of DNA except...

Centriole

During Prophase, pairs of sister chromatids are held together by which structure?

Centromere

(True or False)The two main phases of the cell cycle are the /eytokinetic phase/ and interphase

False (mitosis)

(True or False)The process by which cells become different types of cells is called /cell metamorphosis/

False (differentiation)

(True or False)The three main types of plant tissue are dermal, vascular, and /epithelial/ tissue

False (ground)

(True or False)The process by which cells duplicates /takes the same amount of time/ no matter which type of cells are duplicating

False (it depends on what type of cell it is)

(True or False)During the first stage of the interphase, a cell goes through /slow/ growth and replication

False

What is the bodily purpose of epithelial tissue?

Forms the protective outer layer of skin

DNA copying occurs during during ______________

Interphase

Looking in a microscope at a cell, Thomas sees what looks like a plate of spaghetti. He is seeing a cell in _________.

Interphase

Most of the life of any cll is spent in a period of growth called

Interphase

Which choice is the longest stage of the cell cycle?

Interphase

What is the first thing that happens when a new cell is produced?

It gets larger and does its normal activities

Josiah looks in a microscope and sees the chromosomes lining up. He confirms his lab partner's statement that the cell is in the _________ stage of mitosis

Metaphase

What is the shortest phase of mitosis?

Metaphase

Identify the two major stage of the cycle

Mitosis and interphase

_____________ are groups of different tissues working together to perform a particular job

Organs

Which of the following is NOT a result of cell division in multicellular organisms?

Reproduction

Which of the following is the result of mitosis for a unicellular organism?

Reproduction

During interphase, cells do all of the following except....

Rest up for next division

Which of the following occurs during metaphase?

The chromosomes line up in the center of the cell

Which of the following occurs during prophase?

The nuclear membrane down, and chromosomes form

What are the differences between a prokaryote and a eukaryote?

The prokaryote does not have a membrane bound nucleus, but the eukaryote does

How long does it take a cell to complete the cell cycle?

The time it takes depend on the type of cell that is dividing

Similar type of cells can be grouped together to carry out specific tasks. What are these groups of cells called?

Tissues

A large animal, such as a lion is made of(of many cells)

Trillions of cells

(True or False)A plant leaf is an example of a /system/

True

(True or False)A unicellular organism called a prokaryote does not have a membrane-bound /nucleus/

True

(True or False)During the mitotic phase, first the /nucleus/ then the /cytoplasm/ divide

True

(True or False)In humans, cell division begins /immediately/ after fertilization

True

(True or False)Like stem cell in animals, plants have unspecialized cells called /meristems/

True

(True or False)Some cells stop the cell cycle in the /G1/ stage

True

(True or False)The period of growth and development in the cell cycle is called /interphase/

True

(True or False)The phase in which a cell spends most of its life is /interphase/

True

(True or False)Unicellular organism /do/ respond to their environment

True

Which of the following occurs during telophase?

Two new identical nuclei are formed

In which type of plant tissue does photosynthesis take place?

Vascular

What are the three major types of tissue found in plants?

Vascular, dermal, ground

What does nervous tissue do?

carries messages to and from the brain

What is the process called by which stem cells become different types of cells?

cell differentiation

A duplicated chromosome is two sister chromatids joined by a ___________

centromere

The joining of an egg and a sperm is called ____________________

fertilization

During the ____________ step of mitosis, chromosomes line up in single file at the middle of the cell

metaphase

During prophase of mitosis, the ___________ disappears

nucleus

Mitosis is defined as division of a(n)___________

nucleus


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