The following are true about the DNA in mitochondria: a. they are found in the ovum and not the spermatozoan b. they have their own genome c. they are expressed in muscle cells d. all above

The following are true about the DNA in mitochondria:
a. they are found in the ovum and not the spermatozoan
b. they have their own genome
c. they are expressed in muscle cells
d. all above
by

1 Answer

Answer :

all above
by

Related questions

There is no DNA in (a) mature RBCs (b) a mature spermatozoan (c) hair root (d) an enucleated ovum

Description : There is no DNA in (a) mature RBCs (b) a mature spermatozoan (c) hair root (d) an enucleated ovum

Last Answer : (a) mature RBCs

What is evidence for the endosymbiotic theory? a. Ribosomes are the same size in eukaryotes and prokaryotes b. Organelles like mitochondria and cholorplasts have their own dna and ribosomes c. Flagella are the same in both types of cells d. A-C are correct

Description : What is evidence for the endosymbiotic theory? a. Ribosomes are the same size in eukaryotes and prokaryotes b. Organelles like mitochondria and cholorplasts have their own dna and ribosomes c. Flagella are the same in both types of cells d. A-C are correct

Last Answer : b. Organelles like mitochondria and cholorplasts have their own dna and ribosomes

The following are true about the smooth muscle cells: a. presence of a striated appearance b. do not contain actin and myosin c. spontaneous muscle contraction d. mitochondria are absent

Description : The following are true about the smooth muscle cells: a. presence of a striated appearance b. do not contain actin and myosin c. spontaneous muscle contraction d. mitochondria are absent

Last Answer : spontaneous muscle contraction

The following are true about the smooth muscle cells: a. presence of a striated appearance b. do not contain actin and myosin c. spontaneous muscle contraction d. mitochondria are absent

Description : The following are true about the smooth muscle cells: a. presence of a striated appearance b. do not contain actin and myosin c. spontaneous muscle contraction d. mitochondria are absent

Last Answer : spontaneous muscle contraction

Which type of genomics studies the transcripts and proteins expressed by a genome? A- Comparative genomicsB- Structural genomics C- Proteo genomics D- Functional genomics

Description : Which type of genomics studies the transcripts and proteins expressed by a genome? A- Comparative genomics B- Structural genomics C- Proteo genomics D- Functional genomics

Last Answer : Functional genomics

Which one of the following is NOT found in bacterial cells? a. Ribosomes b. DNA c. Mitochondria d. Cytoplasm

Description : Which one of the following is NOT found in bacterial cells? a. Ribosomes b. DNA c. Mitochondria d. Cytoplasm

Last Answer : c. Mitochondria

Which one of the folLowing statements is NOT true of the influenza viruses? a. They have a segmented genome. b. The genome is double-stranded DNA. c. The viruses have an envelope. d. There are three types of flu viruses

Description : Which one of the folLowing statements is NOT true of the influenza viruses? a. They have a segmented genome. b. The genome is double-stranded DNA. c. The viruses have an envelope. d. There are three types of flu viruses

Last Answer : b. The genome is double-stranded DNA.

In the bacteria: (1) Mesosome is present (2) Nucleoid represents the genome (3) Ribosomes are found in cytoplasm (4) Histone proteins complexed with DNA

Description : In the bacteria: (1) Mesosome is present (2) Nucleoid represents the genome (3) Ribosomes are found in cytoplasm (4) Histone proteins complexed with DNA

Last Answer : Ans. ((a))

Which of the following part of spermatozoan aries from centriole ?

Description : Which of the following part of spermatozoan aries from centriole ?

Last Answer : Which of the following part of spermatozoan aries from centriole ? A. Apical cap B. Head C. Middle piece D. Tail

A matured mammalian cell without nucleus is – (1) Lymphocyte (2) Erythrocyte (3) Spermatozoan (4) Oocyte

Description : A matured mammalian cell without nucleus is – (1) Lymphocyte (2) Erythrocyte (3) Spermatozoan (4) Oocyte

Last Answer : (2) Erythrocyte Explanation: Mammalian erythrocytes are unique among the vertebrates as they are nonnucleated cells in their mature form. These cells have nuclei during early phases of ... lose all other cellular organelles such as their mitochondria, Golgi apparatus and endoplasmic reticulum.

A matured mammalian cell without nucleus is (1) Lymphocyte (2) Erythrocyte (3) Spermatozoan (4) Oocyte

Description : A matured mammalian cell without nucleus is (1) Lymphocyte (2) Erythrocyte (3) Spermatozoan (4) Oocyte

Last Answer : Erythrocyte

The 1992 Nobel Prize for medicine was awarded to Edmond H. Fischer and Edwin J. Krebs for their work concerning (a) reversible protein phosphorylation as a biological regulation mechanism (b) isolation of the gene for a human disease (c) human genome project (d) drug designing involving inhibition of DNA synthesis of the pathogen.

Description : The 1992 Nobel Prize for medicine was awarded to Edmond H. Fischer and Edwin J. Krebs for their work concerning (a) reversible protein phosphorylation as a biological regulation mechanism (b) ... (c) human genome project (d) drug designing involving inhibition of DNA synthesis of the pathogen.

Last Answer : (a) reversible protein phosphorylation as a biological regulation mechanism

The term used for acquisition of naked DNA from its environment and its incorporation in their genome by a bacterium is A.transformation B.lysogenic conversion C.conjugation D.transduction

Description : The term used for acquisition of naked DNA from its environment and its incorporation in their genome by a bacterium is A.transformation B.lysogenic conversion C.conjugation D.transduction

Last Answer : A.transformation

Which one of the following has its own DNA? (a) Mitochondria (b) Dictyosome (c) Lysosome (d) Peroxisome

Description : Which one of the following has its own DNA? (a) Mitochondria (b) Dictyosome (c) Lysosome (d) Peroxisome

Last Answer : (a) Mitochondria

The following are true : a. the HLA proteins are found within the cytoplasm of the cells b. HLA class I antigens are expressed on all cells with nuclei c. HLA class II antigens presents the virus infected cells to cytotoxic T lymphocytes d. HLA genes are found on chromosome 6 e. HLA tissue typing is carried out in all forms of transplantation to prevent rejection

Description : The following are true : a. the HLA proteins are found within the cytoplasm of the cells b. HLA class I antigens are expressed on all cells with nuclei c. HLA class II antigens presents ... on chromosome 6 e. HLA tissue typing is carried out in all forms of transplantation to prevent rejection

Last Answer : HLA class I antigens are expressed on all cells with nuclei

Does the DNA Genome Project include pot?

Description : Does the DNA Genome Project include pot?

Last Answer : There is no such thing as the DNA Genome Project. If you mean the Human Genome Project, the answer is that it only focuses on human DNA.

If we did have the complete DNA genome for a Triceratops, could we make one?

Description : If we did have the complete DNA genome for a Triceratops, could we make one?

Last Answer : What would provide the uterus? (We might be able to do it with a mammoth, or a sabretooth, because there are still elephants and tigers)

What characteristics of DNA polymerase III make it an ideal enzyme for replicating the whole genome?

Description : What characteristics of DNA polymerase III make it an ideal enzyme for replicating the whole genome?

Last Answer : The key features of DNA polymerase III are its catalytic potency, its fidelity, and its processivity. It is able to catalyze the addition of ~103 bases per second, compared to only about 10 per ... to dissociate from the template strand after synthesis of short (tens of bases) stretches of DNA.  

Commonly used vectors for human genome sequencing are (a) T - DNA (b) BAC and YAC (c) expression vectors (d) T/A cloning vectors.

Description : Commonly used vectors for human genome sequencing are (a) T - DNA (b) BAC and YAC (c) expression vectors (d) T/A cloning vectors.

Last Answer : (b) BAC and YAC

The eukaryotic genome differs from the prokaryotic genome because (a) the DNA is complexed with histone in prokaryotes (b) the DNA is circular and single stranded in prokaryotes (c) repetitive sequences are present in eukaryotes (d) genes in the former case are organised into operons.

Description : The eukaryotic genome differs from the prokaryotic genome because (a) the DNA is complexed with histone in prokaryotes (b) the DNA is circular and single stranded in prokaryotes (c) repetitive sequences are present in eukaryotes (d) genes in the former case are organised into operons.

Last Answer : (b) the DNA is circular and single stranded in prokaryotes

Genophore/bacterial genome or nucleoid is made of (a) histones and non-histones(b) RNA and histones (c) a single double stranded DNA (d) a single stranded DNA.

Description : Genophore/bacterial genome or nucleoid is made of (a) histones and non-histones (b) RNA and histones (c) a single double stranded DNA (d) a single stranded DNA.

Last Answer : c) a single double stranded DNA

The genome of a virus may contain either ______ or ______. a. DNA; protein b. protein; carbohydrate c. carbohydrate; RNA d. RNA; DNA

Description : The genome of a virus may contain either ______ or ______. a. DNA; protein b. protein; carbohydrate c. carbohydrate; RNA d. RNA; DNA

Last Answer : d. RNA; DNA

Which of the following defines an open reading frame (ORF)? A.A sequence of genome in bacteriophageB.The sequence of a complete genome C.A plasmid vector used in genome sequencing D.A possible gene predicted by DNA sequencing

Description : Which of the following defines an open reading frame (ORF)? A.A sequence of genome in bacteriophage B.The sequence of a complete genome C.A plasmid vector used in genome sequencing D.A possible gene predicted by DNA sequencing

Last Answer : D.A possible gene predicted by DNA sequencing

Which of the following defines an open reading frame (ORF)? A- .A sequence of genome in bacteriophage B- The sequence of a complete genome C- A plasmid vector used in genome sequencing D- .A possible gene predicted by DNA sequencing

Description : Which of the following defines an open reading frame (ORF)? A- .A sequence of genome in bacteriophage B- The sequence of a complete genome C- A plasmid vector used in genome sequencing D- .A possible gene predicted by DNA sequencing

Last Answer : .A possible gene predicted by DNA sequencing

Which of the following defines an open reading frame (ORF)? A- .A sequence of genome in bacteriophage B- The sequence of a complete genome C- A plasmid vector used in genome sequencing D- .A possible gene predicted by DNA sequencing

Description : Which of the following defines an open reading frame (ORF)? A- .A sequence of genome in bacteriophage B- The sequence of a complete genome C- A plasmid vector used in genome sequencing D- .A possible gene predicted by DNA sequencing

Last Answer : .A possible gene predicted by DNA sequencing

n lysogeny, A- a bacteriophage transfers bacterial DNA B- bacteria take up double stranded DNA from the environment C- DNA-degrading enzymes in the extracellular medium would stop the process D- a bacteriophage genome is integrated into the bacterial genome

Description : n lysogeny, A- a bacteriophage transfers bacterial DNA B- bacteria take up double stranded DNA from the environment C- DNA-degrading enzymes in the extracellular medium would stop the process D- a bacteriophage genome is integrated into the bacterial genome

Last Answer : a bacteriophage genome is integrated into the bacterial genome

What information can be generated by interrupted mating experiments? A- Levels of DNA homology B- Bacterial genome maps C- DNA nucleotide sequences D- Proteomics of the bacteria

Description : What information can be generated by interrupted mating experiments? A- Levels of DNA homology B- Bacterial genome maps C- DNA nucleotide sequences D- Proteomics of the bacteria

Last Answer : Bacterial genome maps

What happens during fertilisation in humans after many sperms reach close to the ovum? (a) Secretions of acrosome helps one sperm enter cytoplasm of ovum through zona pellucida. (b) All sperms except the one nearest to the ovum lose their tails. (c) Cells of corona radiata trap all the sperms except one. (d) Only two sperms nearest the ovum penetrate zona pellucida.

Description : What happens during fertilisation in humans after many sperms reach close to the ovum? (a) Secretions of acrosome helps one sperm enter cytoplasm of ovum through zona pellucida. (b) All sperms except ... all the sperms except one. (d) Only two sperms nearest the ovum penetrate zona pellucida.

Last Answer : (a) Secretions of acrosome helps one sperm enter cytoplasm of ovum through zona pellucida.

Mitochondria and chloroplast are (A) semi-autonomous organelles (B) formed by division of pre-existing organelles and they contain DNA but lack protein synthesising machinery. Which one of the following options is correct? (a) (A) is true but (B) is false. (b) Both (A) and (B) are false. (c) Both (A) and (B) are correct. (d) (B) is true but (A) is false.

Description : Mitochondria and chloroplast are (A) semi-autonomous organelles (B) formed by division of pre-existing organelles and they contain DNA but lack protein synthesising machinery. Which one of the following options is correct? (a) ( ... Both (A) and (B) are correct. (d) (B) is true but (A) is false.

Last Answer : (a) (A) is true but (B) is false.

Outside the nucleus DNA is found in - (1) Golgi bodies (2) Mitochondria (3) Ribosome (4) Endoplasmic reticulum

Description : Outside the nucleus DNA is found in - (1) Golgi bodies (2) Mitochondria (3) Ribosome (4) Endoplasmic reticulum

Last Answer : (2) Mitochondria Explanation: In eukaiyotic (with nucleus) cells, the vast majority of DNA is found in the nucleus as discrete bodies called chromosomes. The exception to this being the small amount ... cells, more than 99% of the total DNA is nuclear genomic DNA and the remainder mitochondrial.

Thermococcus, Methanococcus and Methano- bacterium exemplify (a) bacteria whose DNA is relaxed or positively supercoiled but which have a cytoskeleton as well as mitochondria (b) bacteria that contain a cytoskeleton and ribosomes (c) archaebacteria that contain protein homologous to eukaryotic core histones (d) archaebacteria that lack any histones resembling those found in eukaryotes but whose DNA is negatively supercoiled

Description : Thermococcus, Methanococcus and Methano- bacterium exemplify (a) bacteria whose DNA is relaxed or positively supercoiled but which have a cytoskeleton as well as mitochondria (b) bacteria that ... that lack any histones resembling those found in eukaryotes but whose DNA is negatively supercoiled

Last Answer : (c) archaebacteria that contain protein homologous to eukaryotic core histones

Outside the nucleus DNA is found in (1) Golgi bodies (2) Mitochondria (3) Ribosome (4) Endoplasmic reticulum

Description : Outside the nucleus DNA is found in (1) Golgi bodies (2) Mitochondria (3) Ribosome (4) Endoplasmic reticulum

Last Answer : Mitochondria

Identical twins are born when (a) Two sperms fertilise one ovum (b) Two sperms fertilise two ovums simultaneously (c) Open sperm fertilizes the ovum and zygote divides into two separate cells developing independently (d) One sperm fertilises two ovums

Description : Identical twins are born when (a) Two sperms fertilise one ovum (b) Two sperms fertilise two ovums simultaneously (c) Open sperm fertilizes the ovum and zygote divides into two separate cells developing independently (d) One sperm fertilises two ovums

Last Answer : Ans:(c)

Match the following columns and select the correct option. Column-I Column-II (A) Placenta (i) Androgens (B) Zona pellucida (ii) Human Chorionic Gonadotropin (HCG) (C) Bulbourethral glands (iii) Layer of the ovum (D) Leydig cells (iv) Lubrication of the penis (A) (B) (C) (D) (a) (iv) (iii) (i) (ii) (b) (i) (iv) (ii) (iii) (c) (iii) (ii) (iv) (i) (d) (ii) (iii) (iv) (i)

Description : Match the following columns and select the correct option. Column-I Column-II (A) Placenta (i) Androgens (B) Zona pellucida (ii) Human Chorionic Gonadotropin (HCG) (C) Bulbourethral glands (iii) Layer of the ovum (D) Leydig cells (iv) ... (ii) (iii) (c) (iii) (ii) (iv) (i) (d) (ii) (iii) (iv) (i)

Last Answer : (d) (ii) (iii) (iv) (i)

All the following statements about protooncogenes are true except (A) They are present in human beings (B) They are present in healthy cells (C) Proteins encoded by them are essential (D) They are expressed only when a healthy cell has been transformed into a cancer cell

Description : All the following statements about protooncogenes are true except (A) They are present in human beings (B) They are present in healthy cells (C) Proteins encoded by them are essential (D) They are expressed only when a healthy cell has been transformed into a cancer cell

Last Answer : Answer : D

Which one of the following is NOT a structure or subcompartment found in bacterial cells? a. Micro compartments b. Volutin c. Ribosomes d. Mitochondria

Description : Which one of the following is NOT a structure or subcompartment found in bacterial cells? a. Micro compartments b. Volutin c. Ribosomes d. Mitochondria

Last Answer : d. Mitochondria

Plant cells contain the following 3 things not found in animal cells _________, _____________ and ______________. (A) Plastids / Chlorophyll / Membrane (B) Chloroplast / Cell wall / Golgi body (C) Plastids / Cell wall / Chlorophyll (D) Mitochondria / Cell wall /

Description : Plant cells contain the following 3 things not found in animal cells _________, _____________ and ______________. (A) Plastids / Chlorophyll / Membrane (B) Chloroplast / Cell wall / Golgi body (C) Plastids / Cell wall / Chlorophyll (D) Mitochondria / Cell wall /

Last Answer : (C) Plastids / Cell wall / Chlorophyll

What kind of cell in human body do you think would have more mitochondria a muscle cell or a skin cell?

Description : What kind of cell in human body do you think would have more mitochondria a muscle cell or a skin cell?

Last Answer : Muscle cells are very active relatively to the skin cell. So ithas more mitochondria

What kind of cell in human body do you think would have more mitochondria a muscle cell or a skin cell?

Description : What kind of cell in human body do you think would have more mitochondria a muscle cell or a skin cell?

Last Answer : Muscle cells are very active relatively to the skin cell. So ithas more mitochondria

Which of the following statements is not true for stomatal apparatus? (a) Guard cells invariably possess chloroplasts and mitochondria. (b) Guard cells are always surrounded by subsidiary cells. (c) Stomata are involved in gaseous exchange. (d) Inner wall of guard cells are thick

Description : Which of the following statements is not true for stomatal apparatus? (a) Guard cells invariably possess chloroplasts and mitochondria. (b) Guard cells are always surrounded by subsidiary cells. (c) Stomata are involved in gaseous exchange. (d) Inner wall of guard cells are thick

Last Answer : (b) Guard cells are always surrounded by subsidiary cells.

Which of the following is not true for eukaryotic cells? A- Nucleus is bounded by nuclear membrane B- Chromosomes contain histones C- Chloroplasts and mitochondria contains 70S ribosomes D- Gas vacuoles are present

Description : Which of the following is not true for eukaryotic cells? A- Nucleus is bounded by nuclear membrane B- Chromosomes contain histones C- Chloroplasts and mitochondria contains 70S ribosomes D- Gas vacuoles are present

Last Answer : Gas vacuoles are present

With regard to histones: a. they are basic proteins b. they are essential for the formation of stable DNA c. mitochondria do not contain histones d. all above

Description : With regard to histones: a. they are basic proteins b. they are essential for the formation of stable DNA c. mitochondria do not contain histones d. all above

Last Answer : all above

True or False: The vast majority of mitochondrial proteins are synthesized from genetic information encoded in the mitochondrial genome.

Description : True or False: The vast majority of mitochondrial proteins are synthesized from genetic information encoded in the mitochondrial genome.

Last Answer : False. Most mitochondrial proteins are synthesized from nuclear genes and then transported into the mitochondria through the presence of a signal sequence.

Which one of the following statements about the particular entity is true ? (a) Centromere is found in animal cells, which produces aster during cell division. (b) The gene for producing insulin is present in every body cell. (c) Nucleosome is formed of nucleotides. (d) DNA consists of core of eight histones.

Description : Which one of the following statements about the particular entity is true ? (a) Centromere is found in animal cells, which produces aster during cell division. (b) The gene for producing insulin is ... cell. (c) Nucleosome is formed of nucleotides. (d) DNA consists of core of eight histones.

Last Answer : (b) The gene for producing insulin is present in every body cell.

Mammalian DNA polymerase γ is located in (A) Nucleus (B) Nucleolus (C) Mitochondria (D) Cytosol

Description : Mammalian DNA polymerase γ is located in (A) Nucleus (B) Nucleolus (C) Mitochondria (D) Cytosol

Last Answer : Answer : C

Some DNA is present in mitochondria of (A) Prokaryotes (B) Eukaryotes (C) Both (A) and (B) (D) None of these

Description : Some DNA is present in mitochondria of (A) Prokaryotes (B) Eukaryotes (C) Both (A) and (B) (D) None of these

Last Answer : Answer : B

Extranuclear DNA is present in (A) Ribosomes (B) Endoplasmic reticulum (C) Lysosomes (D) Mitochondria

Description : Extranuclear DNA is present in (A) Ribosomes (B) Endoplasmic reticulum (C) Lysosomes (D) Mitochondria

Last Answer : Answer : D

Magnesium is a constituent metal of – (1) Chlorophyll molecule (2) DNA (3) Mitochondria (4) Ribosomes

Description : Magnesium is a constituent metal of – (1) Chlorophyll molecule (2) DNA (3) Mitochondria (4) Ribosomes

Last Answer : (1) Chlorophyll molecule Explanation: The basic structure of chlorophyll consists of a porphyrin ring, coordinated to a central atom. This is very similar in structure to the heme group found in ... was discovered in 1906 and was the first time that magnesium had been detected in living tissue.

DNA is present in (a) Nucleus (b) Mitochondria (c) Chloroplast (d) All of the above

Description : DNA is present in (a) Nucleus (b) Mitochondria (c) Chloroplast (d) All of the above

Last Answer : (d) All of the above

Select the wrong statement from the following. (a) Both chloroplasts and mitochondria have an internal compartment, the thylakoid space bounded by the thylakoid membrane. (b) Both chloroplasts and mitochondria contain DNA. (c) The chloroplasts are generally much larger than mitochondria. (d) Both chloroplasts and mitochondria contain an inner and an outer membrane.

Description : Select the wrong statement from the following. (a) Both chloroplasts and mitochondria have an internal compartment, the thylakoid space bounded by the thylakoid membrane. (b) Both chloroplasts and ... mitochondria. (d) Both chloroplasts and mitochondria contain an inner and an outer membrane.

Last Answer : (a) Both chloroplasts and mitochondria have an internal compartment, the thylakoid space bounded by the thylakoid membrane.