chapter 3 anatomy, AP unit 2

अब Quizwiz के साथ अपने होमवर्क और परीक्षाओं को एस करें!

Connective tissue is made of three essential components:

Cells, ground substance, protein fibers

Tendons connect bones together and withstand a lot of stress. What type of connective tissue should you expect ligaments to contain?

Dense Regular Tissue

Elastic connective tissue is a subdivision of...

Dense connective tissue

Which is not a component of a thin filament?

Myosin

Which of the following is not a difference between DNA and RNA?

NA contains alternating sugar-phosphate molecules whereas RNA does not contain sugars

Epithelia can be classified by...

Number of cell layers

The plane that divides the body into right and left sides is the

Sagittal plane

A synapse is...

Where information is transferred from a neuron to another cell

Place the following structures in order from least to most complex organization: chromatin, nucleosome, DNA, chromosome

a. DNA, nucleosome, chromatin, chromosome

A mutation in the gene for a cyclin protein might result in which of the following?

a. a cell with additional genetic material than normal b. cancer c. a cell with less genetic material than normal d. any of the above*

Which of the following organelles produces large quantities of ATP when both glucose and oxygen are available to the cell?

a. mitochondria

Transcription and translation take place in the ________ and ________, respectively.

a. nucleus; cytoplasm

Which of the following is a function of the rough ER?

a. production of proteins

cilia

are motile cell processes

Axons...

are typically limited to one per neuron

Which of the following phases is characterized by preparation for DNA synthesis?

b. G1

The nucleus and mitochondria share which of the following features?

b. a double cell membrane

Which of the following is part of the elongation step of DNA synthesis?

b. attaching complementary nucleotides to the template strand

Because they are embedded within the membrane, ion channels are examples of ________.

b. integral proteins

Choose the answer that best completes the following analogy: Diffusion is to ________ as endocytosis is to ________.

b. osmosis; pinocytosis

The rough ER has its name due to what associated structures

b. ribosomes

What is a primary function of tumor suppressor genes?

b. stop certain cells from dividing

Which of the following is not made out of RNA?

b. the ribosome

How many "letters" of an RNA molecule, in sequence, does it take to provide the code for a single amino acid?

c. 3

Which of the following sequences on a DNA molecule would be complementary to GCTTATAT?

c. CGAATATA

Which of the following is a feature common to all three components of the cytoskeleton?

c. They are all polymers of protein subunits.

Ion pumps and phagocytosis are both examples of ________.

c. active transport

What multipotent stem cells from children sometimes banked by parents?

c. cells from the umbilical cord and from baby teeth

Which type of stem cell gives rise to red and white blood cells?

c. hematopoietic

Which of the following structures could be found within the nucleolus?

c. ribosomes

Mature cartilage cells are called.

chondrocytes

The diffusion of substances within a solution tends to move those substances ________ their ________ gradient

d. down; concentration

Arrange the following terms in order of increasing specialization: oligopotency, pleuripotency, unipotency, multipotency.

d. pleuripotency, multipotency, oligopotency, unipotency

Choose the term that best completes the following analogy: Cytoplasm is to cytosol as a swimming pool containing chlorine and flotation toys is to ________.

d. the water

What are the three embryonic cell types from which all body structures are derived?

endoderm, mesoderm, ectoderm

Which is not a type of glial cell?

endothelial cell

what is not a component of fluid connective tissue

fibroblasts

Which cartilage type is represented by the menisci of the knee joint?

fibrocartilage

The A band of a sarcomere represents the...

length of thick filament

Under the microscope, a tissue specimen shows cells located in spaces scattered in a transparent background. This is probably ________.

loose connective

Which glial cell is capable of becoming phagocytic?

microgila

Myelin sheaths in the central nervous system (CNS) are formed by...

oligodendrocytes

The main cells found in bone :

osteocytes

The control loop involved in childbirth - between stretch on the cervix and oxytocin release from the brain is a kind of:

positive feedback loop

The plasma membrane of a muscle fiber is called the...

sarcolemma

In observing epithelial cells under a microscope, the cells are arranged in a single layer and look tall and narrow, and the nucleus is located close to the basal side of the cell. The specimen is what type of epithelial tissue?

simple columnar

Which of the following is the epithelial tissue that lines the interior of blood vessels?

simple squamous

Which type of muscle fiber lacks sarcomeres?

smooth muscle fibers

The serous membrane found around the left and right lung is called:

visceral pleura


संबंधित स्टडी सेट्स

Menedzsment kvantitatív módszerei

View Set

Exam #2 Macroeconomics Chapter 8

View Set

Chapter 14: Monopoly and Antitrust Policy

View Set

LEED Green Associate v4: Integrative Strategies

View Set

AP Gov. Unit 3 Practice Questions vg

View Set