BIOLOGY 1A03 Lecture Notes - Intermediate Filament, Amoeboid Movement, Peroxisome
BIOLOGY 1A03 Full Course Notes
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Question 1
Light microscopes
A. | typically provide more resolution than an electron microscope | |
B. | work by reflecting electrons off the surface of an object being studied | |
C. | use light and glass lenses to magnify an image |
Question 2
In the plasma membrane, the phospholipid heads
A. | are hydrophilic and face outward toward the aqueous solution on both sides of the membrane | |
B. | are hydrophobic and face outward toward the aqueous solution on both sides of the membrane | |
C. | are hydrophobic and face inward, shielded from water |
Question 3
The nucleus of a cell
A. | is surrounded by a single layer of membrane. | |
B. | contains DNA | |
C. | is the primary location of protein synthesis |
Question 4
Which location in the cell is unlikely to contain ribosomes or ribosomal subunits?
A. | endoplasmic reticulum | |
B | plasma membrane | |
C. | Cytoplasm |
Question 5
The main function of the rough endoplasmic reticulum is the production of
A. | membrane and proteins secreted by the cell | |
B. | mitochondria and proteins secreted by the cell | |
C. | hydrogen peroxide |
Question 6
The Golgi apparatus
A. | is the site of glucose breakdown | |
B. | stores, modifies, and packages proteins | |
C. | strings together amino acids to produce proteins |
Question 7
The function of mitochondria is
A. cellular respiration | ||
B. photosynthesis | ||
C. lipid synthesis |
Question 8
Which of the following statements about the cytoskeleton is false?
A. The cytoskeleton helps to support cell | ||
B. Once laid down, the elements of the cytoskeleton are fixed and remain permanently in place | ||
C. | The cytoskeleton is composed of three types of fibers: microfilaments, microtubules, and intermediate filaments |
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?
Mycoplasma |
Archaea |
Bacteria |
Cyanobacteria |
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.
nucleoid |
cell membrane |
chloroplasts |
nucleus |
membrane enclosed cell organelles |
mitochondria |
Question 5
Prokaryotes and eukaryotes both have which if the following cellular components. Click all that apply.
ribosomes |
plasma membrane |
DNA |
nucleoid |
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
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
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
|
Question 27
What accounts for 40% of the protein in our bodies?
Fibers |
Cells |
Collagen |
Keratin |
Question 28
Animal cells have cell walls
True |
false |