Module 2 exam practice

In Humans, the only cell that bears a flagellum is the _____ Cell

Sperm

What organelle provides the enymes for autolysis (Cell self-destruction)

Lysosome

Cellular extensions that move mucus along the lining of the trachea are called

cilia

True or False: Newly synthesized DNA is made of one parent strand and one newly synthesized strand

True

True or False: The leading strand is formed as one continuous strand

True

True or False: Messenger RNA, transfer RNA, and Ribosomal RNA all play a part in protein synthesis

True

What type of cell is found in hyaline cartilage

Chondrocytes

Glands, such as sweat glands, that secrete their products through ducts to a surface are called _______ glands

exocrine

True or False: Cartiliage tissue has good regenerative capacity, while most epithelial tissues do not

False

True or False: Goblet cells are found in pseudostratified epithelium

true

Which structure holds organelles in place, maintains shape cell and rigidity, and directs organelle movements?

cytoskeleton

The most abundant lipid of the membrane consists of a polar head and two nonpolar tails. This type of lipid is called a _______

phospholipid

The phase of mitosis that begins with the arrival of a group of single-stranded chromosomes at each pole of the cell is _____

Telophase

The sequence of nucleotides in a messenger RNA molecule determines the sequence of _____

Amino acids in a protein

The term “Codon” refers to

a three base sequence of mRNA

What type of epithelia forms the walls of the air sacs across which gas exchange occurs in the lungs?

simple squamous

Which of the following is NOT found in cartilage but IS found in Bone?

Living Cells

Lacunae

Organic fibers

blood vessels

blood vessels

a many-layered epithelium with cuboidal basal cells and flat cells at its surface would be classified as _________

stratified squamous

True or False: Epithelial tissues contain both blood vessels and nerve fibers

False

Which tissue produces contractions in the stomach?

Smooth muscle

Which is an active transport process?

Facilitated diffusion

simple diffusion

osmosis

Ion pump

Ion pump

True or False: Apoptosis is programmed cell death

True

Proteins that assist in the movement of a substance acrtoss the membrane are called ______ proteins

transport

Another name for fluid outside the cell found in the tissue is

interstitial fluid

True or false: a single mRNA strand can be ready by more than one ribosome simultaneously

True

What are the three steps of protein synthesis in order

Transcription, translation, and protein synthesis

True or False: Dividing cells must pass through the phases of mitosis in the following order: Prophase, Metaphase, interphase, Anaphase, and Telophase

False

What type of molecules can easily pass through a cell membrane?

Small and nonpolar molecules

What gives a cell membrane its selective permeability

phospholipids polar heads and non-polar tails

what is osmosis

the movement of water across a cell membrane

what are the three different tonicities

Hypertonic, hypotonic, isotonic

If a cell is placed in a hypertonic solution, it will

crenate

if a cell is placed in a hypotonic solution, it will

burst

what is exocytosis

substances leaving a cell

what is endocytosis

substances entering a cell

what are the different forms of endocytosis

phagocytosis, pinocytosis, receptor mediated endocytosis

Be able to name and label each part of the cell nucleus

Be able to name and label each organelle

What are the stages of Interphase?

G1, S, G2

What are the base pairing rules for DNA

A pairs with T, G pairs with C

What are the 4 main types of tissue?

Epithelial, Connective, muscular, nervous

The largest internal cellular structure is known as the _____ and is the cells control center because it contains the chromosomes

Nucleus

During osmosis, water moves towards the solution with _____ solute concentration

greater

Which of the following is NOT associated with interphase?

The cell grows

Proteins are produced

The sister chromatids are separated

The DNA replicates

The sister chromatids are separated

if the ribosomes of a cell were destroyed, _____ would not be able to occur

protein synthesis

True or False: Adipose tissue is made up of pseudostratified columnar epithelial cells

False

True or False: Simple epithelium tissues are usually found in areas where secretion and absorption occur

True

The first step in tissue repair is

inflammation