BSC 1010 Lecture Notes - Lecture 22: Cell Nucleus, Nuclear Lamina, Cell Membrane

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21 Nov 2017

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Ribosomes non membrane bounded organelles responsible for protein synthesis prokaryotic cell. A type of cell lacking a membrane-enclosed nucleus and membrane-enclosed organelles. Organisms with prokaryotic cells (bacteria and archaea) are called prokaryotes. eukaryotic cell. A type of cell with a membrane-enclosed nucleus and membrane-enclosed organelles. Examples of organisms with these cells are protists, plants, fungi, and animals. cytoplasm area between plasma membrane and nucleus plasma membrane. The membrane at the boundary of every cell that acts as a selective barrier, thereby regulating the cell"s chemical composition. Animal cell only: lysosomes centrioles flagella plant only cells chloroplast central vacuole tonoplast plasmodesmata nuclear lamina. Endoplasmic reticulum a system of membranes that is found in a cell"s cytoplasm and that assists in the production, processing, and transport of proteins and in the production of lipids. It contains collections of enzymes that perform specialized tasks including the synthesis of membrane lipids and the detoxification of drugs. detoxification.

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PLEASE HELP! HELP! I HAVE 3 PAPERS THAT IâM WRITING SO INEED HELP WITH THIS ASSIGNMENT!

PLEASE READ THE QUESTIONS CAREFULLY BEFORE ANSWERING.PLEASE INCLUDE A PARENTHETICAL CITATION WHEN YOU REFER TO,SUMMARIZE, OR QUOTE FROM ANOTHER SOURCES. (MICROBIOLOGY) DUE DATE01/27/2019

Type a three-page minimum double spaced paper coveringthe following topics:

Compare and contrast gram-positive and gram-negative cellwalls. Discuss clinical implications of these differences(15 points).
Compare and contrast prokaryotic and eukaryotic cells. Touch onspecifically the differences in their nucleus, membrane-enclosedorganelles, cell wall, plasma membranes, chromosomes, ribosomes,and cell division. Discuss clinical implications of thesedifferences (15 points).
Describe the functions of the following organelles: flagella,cilia, cell wall, plasma membrane, cytoplasm, ribosome, nucleus,smooth endoplasmic reticulum, rough endoplasmic reticulum, golgicomplex, lysosomes, vacuoles, mitochondria, chloroplasts,peroxisomes (25 points).

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What are the three components of the cell theory?

Of what is the cell membrane is mainly composed?

TRUE or FALSE: A prokaryotic cell has a nucleus.

TRUE or FALSE: An eukaryotic cell does not have membrane-bounded organelles.

Most organelles can be found in both in plants and animals. What three organelles are unique to plants?

What organelles can only be found in animal cells?

Which of the following contains digestive enzymes?

TRUE or FALSE: In most mammals, the DNA found in mitochondria is inherited from the mother only.

TRUE or FALSE: Flagella are not found on eukaryotic cells.

How do phospholipids interact with water to form the cell membrane?

TRUE or FALSE: All living things have a plasma membrane and a cell wall.

What is the first law of thermodynamics?

What is the example of potential energy that was given in the lecture notes?

What is the second law of thermodynamics?

What is entropy?

What is an exergonic reaction?

What is an endergonic reaction?

TRUE or FALSE: An enzyume is an organic molecule (usually a protein) that catalyzes a cellular reaction.

How does an enzyme work?

What is the region of an enzyme that binds the substrate?

TRUE or FALSE: Phagocytosis is an example of bulk transport.

TRUE or FALSE: Osmosis involves the movement of water only.

What is competitive inhibition?

What is non-competitive inhibition?

What is the energy currency of our bodies?

How do particles move in passive transport?

How do particles move in active transport?

Which type of plastid stores starch?

The largest amount of DNA is localized to the ________ in both bacteria and archaea.

Which organelle creates the lysosome?

Which component of the endomembrane system modifies proteins?

Which is the hereditary material of life?

Which organelle contains digestive enzymes to break down ingested bacteria?

In non-competitive inhibition (allosteric regulation), where does the inhibitor bind?

According to the first law of thermodynamics, energy can neither be ________ nor ________ .

i need help with this homwork please choose the correct answers and just be claer to read and understand for the slect the apply qusestions too and it is important i realy need the right answers so please be claer not write randomly i really need the correct answers to study for my test so hop you can help me

Question 1

What is the smallest cell you could find?

Question 2

TEMs appear as 3D images

True

False

Question 3

Bacteria are what cell type? Write one word as the answer in lowercase and using no syntax.

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Question 42 pts

ALL eukaryotic cells have which of the following. Click all that apply.

membrane enclosed cell organelles

mitochondria

Question 5

Prokaryotes and eukaryotes both have which if the following cellular components. Click all that apply.

Question 6

I am made of one 60s and one 40s subunit, which organelle am I?

protein

lipid

bacterial ribosome

Question 9

The difference between the rough and smooth ER is

the rough produces lipids where as the smooth does not

the rough has many folds and convolutions where as the smooth does not

the rough has ribosome embedded and the smooth does not

the rough is closer to the cell membrane whereas the smooth is closer to the nucleus

Question 10

The site where many lipids, including cell membrane is produced.

Question 11

Name the organelle: In muscle cells in particular, I would increase in number and size in response to frequent exercise

Question 12

In animal cells, glucose would be mobilized from its storage molecule (glycogen) in this part of the cell.

Question 13

Which of these is associated with the rough ER

production of carbohydrates

production of steroid hormones

production of ATP

production of proteins that are secreted from the cell

Question 14

Which organelle sorts, modifies and stores substances produced on the rough ER. Write two words as the answer in lower case separated by a space.

Question 15

Which organelle is responsible for ATP production. Write one word in the singular as the answer.

Question 16

You inherit all of your mitochondria from your

father

half from your mother and half from your father

your siblings

mother

Question 17

An organelle that contains chlorophyll

Question 18

Microtubules have a variety of roles, which of the options below is NOT one of them?

separate chromosomes

cilia and flagellum movement

tracks for organelle movement

constrict the cell during cell division

Question 19

Made of tubulin subunits

microfilaments

chromosomes

intermediate filaments

microtubules

Question 20

Name the part of the cytoskeleton that is made of two twisted rods of actin. Write one word as the answer in lower case.

Question 21

Which part of the cytoskeleton is made of the same protein as your hair and nails?

microfilaments

microtubules

Intermediate filaments

Question 22

The extracellular matrix is found outside of, but attached to the cell membrane?

True

False

Question 23

Which of the options below is an important function of the extra cellular matrix?

connecting cells together

regulate the movement of substances into and out of the cell

helping cells divide into two cells

keeping the cell in a fixed and ridged shape

Question 24

Which part of the cell wall has a high pectin content?

Question 25

Plants have mitochondria, chloroplasts, a cell wall, and nuclei.

True

False

Question 27

What accounts for 40% of the protein in our bodies?

Question 28

Animal cells have cell walls

True

false

BSC 1010 Lecture Notes - Lecture 22: Cell Nucleus, Nuclear Lamina, Cell Membrane

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