15-2. Explain whether the following statements are true or false.Justify the false ones.A. Ribosomes are the cytoplasmic structures that duringProtein synthesis is linked by an mRNA moleculeforming polyribosomes.B. The Leu-His-Arg-Leu-Asp-Ala-Gln-Ser- Amino Acid SequenceLys-Leu-Ser-Ser is a signal sequence that directs proteinsinto the endoplasmic reticulum.C. All transport vesicles in the cell must have av-SNARE protein in its membrane.D. The transport vesicles carry protein and lipid to thecell surface.E. If the delivery or distribution of lysosomal proteinsprospects from the trans-Glogii network to endosomes areblock, lysosomal proteins would be secreted by pathwaysof constitutive secretion like those in Figure 15-28.F. Lysosomes digest only substances that have been takenby cells by endocytosis. 15.3 Many of the proteins produced in the reticulumendoplasmic changes such as the addition ofcarbohydrates (oligosaccharides). What is the function of thesesugars in such proteins? 15.4 Discuss the importance of the following organelles: cytosol, nucleus, endoplasmic reticulum, Golgi apparatus, lysosomes, endosomes, mitochondria, chloroplasts (in plant cells), and peroxisomes.

Question

15-2. Explain whether the following statements are true or false.
Justify the false ones.
A. Ribosomes are the cytoplasmic structures that during
Protein synthesis is linked by an mRNA molecule
forming polyribosomes.
B. The Leu-His-Arg-Leu-Asp-Ala-Gln-Ser- Amino Acid Sequence
Lys-Leu-Ser-Ser is a signal sequence that directs proteins
into the endoplasmic reticulum.
C. All transport vesicles in the cell must have a
v-SNARE protein in its membrane.
D. The transport vesicles carry protein and lipid to the
cell surface.
E. If the delivery or distribution of lysosomal proteins
prospects from the trans-Glogii network to endosomes are
block, lysosomal proteins would be secreted by pathways
of constitutive secretion like those in Figure 15-28.
F. Lysosomes digest only substances that have been taken
by cells by endocytosis.

15.3 Many of the proteins produced in the reticulum
endoplasmic changes such as the addition of
carbohydrates (oligosaccharides). What is the function of these
sugars in such proteins?

15.4 Discuss the importance of the following organelles: cytosol, nucleus, endoplasmic reticulum, Golgi apparatus, lysosomes, endosomes, mitochondria, chloroplasts (in plant cells), and peroxisomes.

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Science
Biology

Cell Biology

Related Biology Q&A

Find answers to questions asked by students like you.

Q: Which of the following would be considered an example ofbioremediation?(A) adding nitrogen-fixing mi...

A: Bio remediation is the biological process in which organic waste materials are decomposed or degrade...

Q: Chemically, how does RNA differ from DNA? Three differences.

A: DNA or deoxyribonucleic acid and RNA or ribonucleic acids are nucleic acid molecules which are an in...

Q: how does Diabetes mellitus causes renal failure?

A: A type of kidney disease caused by diabetes is known as diabetic kidney disease [DKD], chronic kidne...

Q: Which of the following would increase the resistance in a blood vessel? Group of answer choices All ...

A: Resistance is a force that opposes the flow of a fluid. The length of a vessel is directly proportio...

Q: What is Sarin? What does it do? How does it do it?

A: Sarin is a nerve gas, which is extremely dangerous and toxic chemical, which is a organophosphorus c...

Q: During strenuous exercise, the oxygen-hemoglobin dissociation curve shifts to the right. This rightw...

A: Hello, thank you for your question. The question you have posted seems to be incomplete as you have ...

Q: From the previous question, In which section of the kidney tubules does this potassium movement occu...

A: The main function of the kidney involves the filtration of blood. It contains millions of nephrons t...

Q: List the normal value for resting heart rate

A: The human circulatory system or the blood vascular system consists of a muscular chambered heart, a ...

Q: Give a short note on phytophagous animals with example.

A: 'Phyto' means plant and 'phagous' means eater. So, phytophagous means plant-eater.

Q: What is polymorphism? Outside of genes (non-gene regions of genome) what are the 4 types of polymorp...

A: The word polymorphism refers to having many forms.

Q: In the intrinsic regulation of blood flow, which of the following is the response expected in tissue...

A: Autoregulation is a manifestation of local blood flow regulation. 

Q: Which of the following stimulates the kidney to reabsorb water to correct the problem of low blood v...

A: 1.Aldosterone: It causes  salt and water to increase and again absorbing it into the bloodstream fro...

Q: Which of the following would increase blood pressure? Group of answer choices Increased parasympathe...

A: The parasympathetic activity or baroreflex is a mechanism of homeostasis that maintains the blood pr...

Q: If a color-blind woman married a man whohad normal color vision, what would be theprobable phenotype...

A: Color blindness is a genetic disorder in which the photoreceptors of the retina cannot process eithe...

Q: Ataxia-telangiectasis (ATM) is a rare genetic neurodegenerative disease. About 20% of people with AT...

A: double strand breaks frequemtly occur in the cells of higher organisms. this can be repaired by 2 me...

Q: What is a protease enzyme? Why would we treat the strawberry extract with a protease in an extractio...

A: DNA isolation or DNA extraction is the method used to isolate DNA from a particular sample which is ...

Q: How is the respiratory system in aquatic molluscs characterized? What adaptive respiratory structure...

A: molluscs have diverse distribution. they can be aquatic as well as terrestrial. special organs cteni...

Q: Acetocarmine is a natural stain that comes from an insect. This stain binds to chromatin and stains ...

A: acetocarmine is an acidic stain which primarily stains the negatively charged DNA in a cell. it also...

Q: What is a biodiversity hot spot?

A: The term biodiversity describes the huge variety of life forms on Earth. It is the variety and varia...

Q: What stain would you use to differentiate between bean and ant cells? Explain and include your expec...

A: Staining is a procedure that involves the application of colored chemicals called dyes to specimens....

Q: 7 How mutations in a gene can affect itsexpression?

A: sudden and inheritable changes that occur in the DNA are called mutations. these changes are carried...

Q: Listen 98 74 Endocytosis Key Idea: Endocytosis is an active transport process in which the cell engu...

A: Hi there! Since you have posted multiple questions, we are answering only first three sub-parts.   E...

Q: Identify the classification when a person’s blood pressure is measured as 135/75. Group of answer ch...

A: When your heart beats, with every cardiac cycle it pumps blood around your body to give it the energ...

Q: What position do you take on the matter of language acquisition, and based on that position, would y...

A: Language acquisition is the process whereby children learn their native language. It consists of abs...

Q: Which of the following has the greatest effect on the rate ofchemical cycling in an ecosystem?(A) th...

A: Chemical cycles are nutrient cycle, they are exchangers, storage and transferers of biogenetic nutri...

Q: How does the glomerular filtration membrane work? What are its components? What makes up the “filtra...

A: Glomerular filtration is the first step in the formation of urine. As the renal blood enters the glo...

Q: How is the nervous system of molluscs organized?

A: Molluscs or mollusks are soft-bodied, unsegmented animals with a body organized into a head, a muscu...

Q: What pathways are involved in starch biosynthesis? (starch metabolism)

A: Starch is the major storage carbohydrate in higher plants, with many important functions. In photosy...

Q: vivax is one of several malaria-causing Plasmodium species that form hypnozoites in the liver, which...

A: The malaria is the infectious disease transmitted by the mosquito bites. It is caused by the parasit...

Q: How does somatic recombination differ from alternative splicing of RNA?

A: Recombination of DNA (deoxyribonucleic acid) refers to the formation of new DNA as a result of the e...

Q: All types of shock result in inadequate blood flow to tissues. Which of the following types of shock...

A: A critical condition which is brought by a sudden reduction in the blood flow through the body is ca...

Q: Both tetanus and botulism can cause major damage to the human body. Please discuss how both diseases...

A: Both tetanus and botulism are types of neurological diseases that can cause major damage to the huma...

Q: ___ ___ [two words] refers to the limit an environment places an organism's reproductive success.

A: Reproductive success is defined as the passing of genes onto the next generation in a way that they ...

Q: What factors affect the magnitude of change in allelic frequencies due tomigration?

A: In Hardy-Weinberg principle, frequency of allele remain same due to the process of reproduction. Mut...

Q: What are the two ways that energy can be passed through the cellular respiration and photosynthesis ...

A: both cell respiarion and photosynthesis are energy trapping reactions that trap chemical energy and ...

Q: What is the query and what is searched using BLASTN? What is the query and what is searched in BLAST...

A: BLAST stands for the basic local alignment search tool. It is a search engine mainly for nucleotide ...

Q: In an ECG, which of the following represents the repolarization of the ventricles? Group of answer c...

A: An electrocardiogram (ECG) is a test that measures the electrical activity of the heartbeat. The ele...

Q: What genes are involved in starch biosynthesis?

A: Starch is a polymer of glucose molecules connected via alpha-1,4 linkage. The linear form of starch ...

Q: what is the role of ribosomes in protein synthesis

A: The process by which mRNA is translated to the amino acid sequence is termed as translation. It occu...

Q: The left ventricle wall is very thick since it must pump blood to the entire body along miles of res...

A: Human heart is a four chambered pump like organ. Among the four chambers, two are auricles and two a...