Where are the ribosomal subunits assembled? Select one: a. Nucleus b. Nucleoid c. Nucleolus d. Nuclear...
Where are the ribosomal subunits assembled?
Select one:
a. Nucleus
b. Nucleoid
c. Nucleolus
d. Nuclear envelope
Homework Answers
The ribosomal subunits are arranged in the NUCLEOLUS
THE CORRECT ANSWER IS C) NUCLEOLUS
In eukaryotes, ribosomes are assembled in the nucleusri. Ribosomal protein centre the nucleolus and combine with the four rRNA stands to create the two ribosomal subunits. One is known as the large subunit and one is known as the small subunit.
Ribosomes help in protein synthesis, they are scattered in the cytoplasm or are found on the rough endoplasmic reticulum.
The unit of ribosome is denoted by Svedberg (s) values, which are based upon the rate of sedimentation in a centrifuge. Eukaryotes have 80s ribosomes which are comprised of 40 and 60s subunits.
Protein synthesis requires two types of RNA along with rRNA.
Messenger RNA (mRNA) provide the instructions for cellular DNA and transfer RNA(tRNA) bring about protein building blocks amino acids to the ribosomes where the protein synthesis will take place.
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Where are the ribosomal subunits assembled?
Select one:
a. Nucleus
b. Nucleoid
c. Nucleolus
d. Nuclear...
Multi-select question The small ribosomal subunits have A) E site B) P site C) A site...
Multi-select question The small ribosomal subunits have A) E site B) P site C) A site D) mRNA bind site
5. Where does snRNA assembly occur? (A) Nucleolus (B) Cajal bodies (C) nuclear membrane (D) Interchromatin...
5. Where does snRNA assembly occur? (A) Nucleolus (B) Cajal bodies (C) nuclear membrane (D) Interchromatin granular clusters 6. Which statement about the nuclear pore complex is NOT true? (A) Composed of 50-100 nucleoporins (B) Ran-GTP gives directionality to nuclear transport (C) Poly-L-lysine make up the nuclear lamina (D) Average cell has over 4000 NPCs.
Chapter 4: A Tour of the Cell 3. A cell's plasma membrane is described as being...
Chapter 4: A Tour of the Cell 3. A cell's plasma membrane is described as being a because it is composed of a variety of molecules that are constantly in motion around each other. 4. Figure 4.4b on pg. 60 of your textbook indicates that membrane proteins will have both hydro- philic and hydrophobic regions. Briefly explain why a membrane protein would need both regions. Refer to the figure to aid you in answering the question. Chapter Content: The Nucleus...
The nuclear envelope is:
The nuclear envelope is: Select one:a. A single phospholipid bilayer surrounding genetic material in eukaryotic cells. b. A double membrane surrounding the chromosomes in eukaryotic cells. c. A double layer of protein surrounding the eukaryotic DNA that dissolves when the cell divides. d. A protein layer surrounding the nucleus.
Which is NOT a structure associated with bacteria? membrane cell wall nucleolus nucleoid none are found...
Which is NOT a structure associated with bacteria? membrane cell wall nucleolus nucleoid none are found m bacteria) modifies molecules such as proteins and lipids for secretion (release from the cell) Chloroplast Golgi apparatus lysosomc Mrtochondren none Energy extraction from nutrients; site of cellular respiration; produces ATP Chloroplast Golgi apparatus lysosome Mitochondrion none Endomembrane Involved in lipid and steroid synthesis Lysosome Peroxisome smooth ER Ribosome rough ER Translates mRNA into protein Lysosome Peroxisome smooth ER Ribosome rough ER Meiosis is...
Wings of Eagles Ranch in the final condensation step that produces glutamine, mis replaced with a)...
Wings of Eagles Ranch in the final condensation step that produces glutamine, mis replaced with a) OH, NH b) ADP, NH2 c) ATP, NH2 d) phosphate, NH2 e) H20, a covalent bond 18) In the cell, activated carrier molecules are used to: a) transfer chemical energy from catabolic reactions to anabolic reactions b) transfer chemical energy from anabolic reactions to catabolic reactions c) transport ions and other low molecular weight molecules across the cell membrane d) reduce the activation energy...
Nuclear receptors may be found: a) In the milieu of the nucleus b) In the cytosol...
Nuclear receptors may be found: a) In the milieu of the nucleus b) In the cytosol c) Bound to a response element in the nucleus d) Both (a) and (b) e) All of these
One copy of the human nuclear genome (i.e., the amount in a gamete’s nucleus) weighs approximately...
One copy of the human nuclear genome (i.e., the amount in a gamete’s nucleus) weighs approximately 3.5 picograms. Calculate the mass of nuclear DNA (in picograms) found in a human nucleus: a) during G1 ? b) during G2? c) after mitotic telophase and cytokinesis? d) after meiosis I? e) after telophase and cytokinesis of meiosis II during oogenesis?
Translation: Select one: a involves the production of proteins O b.involves tRNA transferring amino acids to...
Translation: Select one: a involves the production of proteins O b.involves tRNA transferring amino acids to ribosomes O c. is initiated when mRNA binds to the ribosomal subunits O d. all of the above
In a magnetic field with gradient, the hydrogen nuclear inside patient will process Select one: a....
In a magnetic field with gradient, the hydrogen nuclear inside patient will process Select one: a. At uniform frequency b. At higher frequency where the magnetitic field is stronger c. At random frequency d. At higher frequency where the magnetic field is weaker
5. Where does snRNA assembly occur? (A) Nucleolus (B) Cajal bodies (C) nuclear membrane (D) Interchromatin granular clusters 6. Which statement about the nuclear pore complex is NOT true? (A) Composed of 50-100 nucleoporins (B) Ran-GTP gives directionality to nuclear transport (C) Poly-L-lysine make up the nuclear lamina (D) Average cell has over 4000 NPCs.
Chapter 4: A Tour of the Cell 3. A cell's plasma membrane is described as being a because it is composed of a variety of molecules that are constantly in motion around each other. 4. Figure 4.4b on pg. 60 of your textbook indicates that membrane proteins will have both hydro- philic and hydrophobic regions. Briefly explain why a membrane protein would need both regions. Refer to the figure to aid you in answering the question. Chapter Content: The Nucleus...
Which is NOT a structure associated with bacteria? membrane cell wall nucleolus nucleoid none are found m bacteria) modifies molecules such as proteins and lipids for secretion (release from the cell) Chloroplast Golgi apparatus lysosomc Mrtochondren none Energy extraction from nutrients; site of cellular respiration; produces ATP Chloroplast Golgi apparatus lysosome Mitochondrion none Endomembrane Involved in lipid and steroid synthesis Lysosome Peroxisome smooth ER Ribosome rough ER Translates mRNA into protein Lysosome Peroxisome smooth ER Ribosome rough ER Meiosis is...
Wings of Eagles Ranch in the final condensation step that produces glutamine, mis replaced with a) OH, NH b) ADP, NH2 c) ATP, NH2 d) phosphate, NH2 e) H20, a covalent bond 18) In the cell, activated carrier molecules are used to: a) transfer chemical energy from catabolic reactions to anabolic reactions b) transfer chemical energy from anabolic reactions to catabolic reactions c) transport ions and other low molecular weight molecules across the cell membrane d) reduce the activation energy...
Translation: Select one: a involves the production of proteins O b.involves tRNA transferring amino acids to ribosomes O c. is initiated when mRNA binds to the ribosomal subunits O d. all of the above
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