Exercise 4 Review Sheet the Cell Anatomy and Division Blank Pdf
1
Define the following term:
Organelle
"pocket-sized organs"; are the metabolic machinery of the jail cell, and that are highly organized to behave out specific functions for the prison cell equally a whole.
two
Ascertain the post-obit term:
Cell
the structural and functional unit of all living things, is a complete entity.
3
Although cells have differences that reverberate their specific functions in the body, what functions practice they take in mutual?
Growing, reproducing, and responding to a stimulus are common functioning characteristics among all cells. In addition, all cells tin maintain their boundaries, metabolize, digest nutrients, and dispose wastes
external boundary of cell; regulates period of materials into and out of the cell; site of cell signaling
contains digestive enzymes of many varieties; "suicide sac' of the cell
scattered throughout the prison cell; major site of ATP synthesis
slender extensions of the plasma membrane that increase its surface area
stored glycogen granules, crystals, pigments, and then on
membranous organisation consisting of flattened sacs and vesicles; packages protein for export
control eye of the cell; necessary for cell division and cell life
two rod-shaped bodies about the nucleus; straight formation of the mitotic spindle
dumbo, darkly staining nuclear trunk; packaging site for ribosomes
contractile elements of the cytoskeleton
14
Rough ER or endroplasmic reticulum
bleary arrangement; involved in intracellular transport of proteins and synthesis of membrane lipids
fastened to membrane systems or scattered in the cytoplasm; synthesize proteins
xvi
Chromatin or Chromatin threads
threadlike construction in the nucleus; contain genetic material (Deoxyribonucleic acid)
site of free radical detoxification
18
In the following diagram, characterization all parts provided with a leader line.
I broke the picture downwardly cause information technology was non big plenty to fit, they are in the following slide...
19
PUT YOUR MOUSE OVER IMAGE TO Enlarge
PUT YOUR MOUSE OVER IMAGE TO Overstate
twenty
PUT YOUR MOUSE OVER Prototype TO Overstate
PUT YOUR MOUSE OVER IMAGE TO ENLARGE
21
PUT YOUR MOUSE OVER IMAGE TO ENLARGE
PUT YOUR MOUSE OVER Paradigm TO ENLARGE
22
PUT YOUR MOUSE OVER Epitome TO ENLARGE
PUT YOUR MOUSE OVER Paradigm TO ENLARGE
23
For each of the post-obit cell types, list (a) 1 important structural characteristic observed in the laboratory, and (b) the function that the structure complements or ensures.
squamous epithelium
a.__________________________________________
b.__________________________________________
squamous epithelium tissue-
a) flat shaped
b) good for layering and overlapping.
24
For each of the post-obit cell types, list (a) one important structural characteristic observed in the laboratory, and (b) the function that the structure complements or ensures.
sperm
a.______________________________________________
b.______________________________________________
sperm-
a) flagella
b) allows the cell to be mobile
25
For each of the post-obit cell types, listing (a) ane of import structural characteristic observed in the laboratory, and (b) the part that the structure complements or ensures.
smooth muscle
a.________________________________________________
b.________________________________________________
smooth muscle-
a) has a fusiform shape
b) allows the muscle to tense and relax.
26
For each of the following prison cell types, list (a) one important structural characteristic observed in the laboratory, and (b) the role that the structure complements or ensures.
cherry-red claret cells
a._______________________________________________
b._______________________________________________
red blood cells-
a) biconcave shape
b) allows more expanse for efficient gas transfer.
27
What is the significance of the cherry blood jail cell being anucleate (without a nucleus)?
The red claret cell(rbc) does not take a nucleus. The lack of a nucleus enables the rbc to have more than room to contain haemoglobin which increases its efficiency to carrying oxygen.
28
Cherry Blood Jail cell:
Did it ever have a nucleus? If so, when?
They did accept a nucleus . When they are formed in the bone-marrow, they incorporate a nucleus, only when the become mature information technology is replaced by haemoglobin in club to carry more oxygen.
29
Of the four cells observed microscopically (squamous epithelial cells, red blood cells, smooth muscle cells, and sperm) which has the smallest diameter? ________ Which is longest? _________
smallest: RBC
Longest: shine muscle cell
30
Identify the phase of mitosis in the post-obit photomicrograph.
31
Place the stage of mitosis in the post-obit photomicrograph.
32
Identify the phase of mitosis in the following photomicrograph.
33
What is the importance of mitotic cell division?
The importance of mitotic cell division is to brand a greater corporeality of cells for repair and growth while maintaining the same genetic makeup
34
Partitioning of the __1__ is referred to equally mitosis. Cytokinesis is division of the __2__. The major structural departure betwixt chromatin and chromosomes is that the latter are __3__. Chromosomes adhere to the spindle fibers by undivided structures called __4__.
one. Nucleus
ii. Cytoplasm
iii. Coiled/Condensed/Shortened
4. Centromeres
35
If a cell undergoes mitosis merely non cytokinesis, the product is __5__. The structure that acts every bit a scaffolding for chromosomal attachment and motility is chosen the __6__. __7__ is the period of cell life when the cell is non involved in division. Two cell populations in the trunk that practise not routinely undergo prison cell division are __8__ and __9__.
5. A binucleate cell or multinucleated cell
6. Spindle
vii. Interphase
eight. Skeletal
9. Cardiac
Chromatin coils and condenses, forming chromosomes.
The chromosomes are five-shaped.
The nuclear envelope re-forms.
Chromosomes stop moving toward the poles.
Chromosomes line up in the center of the cell.
The nuclear envelope fragments.
The mitotic spindle forms.
Chromosomes first appear to be duplex structures.
Chromosomal centromeres are attached to the kinetochore fibers.
The nuclear envelope is absent.
49
What is the physical advantage of the chromatin coiling and condensing to form brusque chromosomes at the onset of mitosis?
Brusque, compact bodies easier to manipulate during mitosis rather than long, thin chromatin threads.
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