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Navneet Kaur

Anatomy wk 1-6

QuestionAnswer
Two major cavities of the human body are? the dorsal cavity and the ventral cavity
Which is the following is not a cytoskeleton element? Centriole
The Strongest and most durable type of Cartlidge is? Fibrocartilage
The external ear is composed of ? Elastic Cartlidge
The most superficial layer of the epidermis Stratum Corneum
There are more then 600 muscles in the body True
Organs that attach to & cover bony skeleton. Skeletal muscles
What is the most distinguishing functional characteristic of muscles? Ability to change ATP into directed mechanical energy.
There are __ types of muscle tissue. Name them. Skeletal, cardiac, & smooth.
Origin End of a muscle attached to bone - doesn't move much.
Skeletal & smooth muscle cells - not cardiac - are elongated & called __. Muscle Fibers.
3 keywords regarding skeletal muscle tissue? Skeletal, striated, & voluntary.
Insertion Other side of muscle attached to bone that moves most.
Synergistically Working together.
Antagonistically Works in opposition.
Actin Globular protein that can contract.
Myosin Protein with two heads & a tail.
Longest muscle cells. Skeletal muscle fibers.
Meaning of prvixes "myo" or "mys". " Muscle
Meaning of prefix "sarco" "flesh" in relation to muscles.
Muscle tissue makes up nearly __ of body masst. Nearly half
Sarcolemma Plasma membrane of muscle fibers.
Sarcoplasm Muscle fiber cytoplasm
these canals cennect the osteocytes in lacunae together and connect them to the central canal canaliculi
area between osteons where old ostons have been broken down interstitial lamellae
cicular layers that surround the whole bone and is just inside the periosteum circumferential lamellae
Where type of bones are made of spongy bone? short, long, flat and irregular bones
Where is the spongy bone found in long bones? epiphyses
What gives spongy bones its spongy appearance trabeculae
What accoundts for a bone's hardness? crystallized mineral salts
What accounts for a bone's flexibility? collagen
Twenty-three chromosomes per cell in humans is referred to as: haploid.
what would be the obligatory sequence of its opposing base pairs? TAGC
Diffusion requires: a concentration gradient.
Materials can be moved from a low concentration to a high concentration through: active transport.
Transcription can be best described as the: synthesis of mRNA.
Phagocytosis is an example of: endocytosis.
The small water channels in the cell membrane are called: aquaporins.
The correct order of the phases of mitosis is prophase, metaphase, anaphase, telophase.
which of the following would be true about the nucleic acid? It contains ribose sugar.
If a sequence of nitrogen bases in nucleic acid were A-U-C-G-A,
Which of the following is not true of RNA? It contains deoxyribose sugar.
NaCl would move through the cell membrane in which direction? Both into and out of the cell
Which of the following terms is synonymous with tumor? Neoplasm
During which stage of mitosis do the centrioles move to the opposite poles of the cell? Prophase
Which of the following is not true of diffusion? Uses cellular energy
Which of the following statements is true? The site of transcription is within the nucleus, whereas the site of translation is in the cytoplasm.
Which of the following terms is synonymous with tumor? Neoplasm
All of the following occur as a result of meiosis except: chromosome number remains at 46.
Extensive weight training causes the muscle cells to: hypertrophy.
Which is not true about the sodium and potassium pump? Sodium moves into the cell and potassium moves out of the cell.
Diffusion of particles through a membrane by means of a carrier molecule is called: facilitated diffusion.
The physical process by which water and solute move through a membrane when a hydrostatic pressure gradient exists across the membrane is the process of: filtration.
Diffusion requires: a concentration gradient.
Created by: Navneetkur
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