Which of the following statements supports the cell theory?
a. all living things are made of cells
b. all living things have a chromosome in the nucleus
c. all living things have cellular metabolism in the mitochondria
d. A-C are correct

1 Answer

Answer :

a. all living things are made of cells

Related questions

Description : Which is correct about cell theory in view of current status of our knowledge about cell structure? (a) It needs modification due to discovery of subcellular structures like chloroplasts and ... Cell theory means that all living objects consists of cells whether or not capable of reproducing

Last Answer : (c) Cell theory does not hold good because all living beings (e.g., viruses) do not have cellular organisation.

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

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

Description : In eukaryotic microbes, energy metabolism is associated with the _____. a. Golgi apparatus b. flagella c. cytoskeleton d. mitochondria

Last Answer : d. mitochondria

Description : Where is ATP produced in prokaryotic cells? a. In The Mitochondria b. In The Chloroplast c. On The Cell Membrane d. On The Ribosomes

Last Answer : b. In The Chloroplast

Description : Where does protein synthesis take place in all cells? a. mitochondria b. cell membranes c. ribosomes d. Golgi apparatus

Last Answer : c. ribosomes

Description : ._________ cells are associated with immunity while_____________ cells are part of___________ immunity. a. B; cell-mediated; T; innate b. T; humoral; B; cellular c. T; cell-mediated; B; humoral d. T; humoral; B; nonspecific

Last Answer : c. T; cell-mediated; B; humoral

Description : Which one is common amongst nucleus, chloroplast and mitochondria? (a) Cristae (b) Thylakoids (c) Nucleic acid (d) Carbohydrate metabolism

Last Answer : Ans. ((c))

Description : Which one of the following is not an organizational property common to all living organisms? a. Genetic organization b. Metabolic organization c. Compartmentation d. A cell nucleus

Last Answer : d. A cell nucleus

Description : What is the sub cellular site for the βoxidation of fatty acids? (A) Nucleus (B) Mitochondria (C) Lysosome (D) Cytosol

Last Answer : Answer : B

Description : Which of the following theory is supported by the genomic sequence of the obligate intracellularparasite Rickettsia prowazekii ? A- Parasitic bacteria have very large genomes B- Parasites have a ... viruses C- Mitochondria have evolved from endosymbiotic bacteria D- All bacteria evolved from viruses

Last Answer : Mitochondria have evolved from endosymbiotic bacteria

Description : What is a difference between prokaryotic and eukaryotic cells in making protein? a. Eukayotes have introns that stay inside the nucleus b. Prokaryotes can transcribe and translate at the same time c. the process is faster in prokaryotes d. A-C are correct

Last Answer : d. A-C are correct

Description : Which one of the following statements is NOT true of the bacterial chromosome? a. It Is Located In The Nucleoid. b. It Usually Isa Single, Circular Molecule. c. Some Genes Are Dominant To Others. d. It Usually Is Haploid.

Last Answer : c. Some Genes Are Dominant To Others.

Description : Which one of the following statements about the nucleoid is NOT true? a. It contains a DNA chromosome. b. It represents a nonmembranous subcompartment. c. It represents an area devoid of ribosomes. d. It contains nonessential genetic information.

Last Answer : d. It contains nonessential genetic information.

Description : During the process of lysogeny _____. a. Phage DNA Integrates Into The Bacterial Chromosome. b. A Bacterium Acquires DNA From The External Environment. c. Competent Cells Receive Plasmids. d. New Phage Particles Are Assembled In The Host Bacterium.

Last Answer : a. Phage DNA Integrates Into The Bacterial Chromosome.

Description : All the following are basic properties of cells except A- cells have nuclei and mitochondria B- cells have a genetic programme and the means to use it C- .cells are capable of producing more of themselves D-.cells are able to respond to stimuli

Last Answer : cells have nuclei and mitochondria

Description : Which of the following structure is absent in eukaryotic cells? A- Mitochondria B- Chloroplasts C- Golgi structure D- Mesosome

Last Answer : Mesosome

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

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

Last Answer : c. Mitochondria

Description : ------------ is mainly present in prokaryotic cells A Mitochondria B ER C Golgi apparatus D Mesosomes

Last Answer : D Mesosomes

Description : Hashimoto disease and Graves‘ disease are similar in that both a. Affect the thyroid gland. b. Affect the red blood cells. c. Are forms of cellular hypersensitivity? d. Are accompanied by histamine release.

Last Answer : b. Affect the red blood cells.

Description : During the course of a cellular hypersensitivity a. Antibodies react with antigens in tissues. b. Serotonin and histamine are released by cells. c. Immune complexes form on blood vessel surfaces. d. A skin thickening called an induration may form.

Last Answer : b. Serotonin and histamine are released by cells.

Description : Which of the following is a cellular barrier in the innate defense system? a. macrophages b. Erythrocytes c. B-cells d. T-cells

Last Answer : a. macrophages

Description : If cells can use oxygen in cellular respiration it is called _____. a. Anaerobic Respiration b. Alcoholic Fermentation c. Acid Fermentation d. Aerobic Respiration

Last Answer : c. Acid Fermentation

Description : Schwann's cell theory basically states that: a) cells are the building blocks of living things. b) cells require oxygen. c) cells are made of atoms and molecules. d) cells require nutrients.

Last Answer : ANSWER: A -- CELLS ARE THE BUILDING BLOCKS OF LIVING THINGS. 

Description : The initiation of a humoral immune response involves a complex interaction of the antigen, cells and intercellular messengers. Which of the following statement(s) concerning the initiation of the ... various cellular components of the immune system d. An antigen must be a living microorganism

Last Answer : Answer: a, b Stimulation of the immune system occurs after a variety of antigen-presenting cells (B lymphocytes, macrophages, dendritic cells, and Langerhans cells) act to engulf ... polysaccharides), most antigens require coordinated efforts of the various cellular components of the immune system

Description : When a viral nucleic acid becomes part of the host cell chromosome it is called _____. a. lysis b. lysogeny c. maturation d. latent

Last Answer : b. lysogeny

Description : Cell theory includes all of the following except A.all organisms are composed of one or more cells B.the cell is the most primitive form of life C.the cell is the structural unit of life D.cells arise by division of preexisting cells

Last Answer : B.the cell is the most primitive form of life

Description : Cell theory includes all of the following except A- .all organisms are composed of one or more cells B- the cell is the most primitive form of life C- .the cell is the structural unit of life D- cells arise by division of preexisting cells

Last Answer : the cell is the most primitive form of life

Description : With respect to lipoprotein transport and metabolism in the body, the following statements are correct EXCEPT: 1) Arterial walls contain cells with LDL receptors. 2) Cholesterol is required for the ... is assembled in the extracellular space. 5) VLDL transformation to LDL occurs in adipose tissue.

Last Answer : Answers-3 Chylomicrons are formed in the gut from exogenous triacylglycerols and cholesterol. They are released into the lymph and thereby enter the blood.They are not formed in the liver.

Description : With respect to lipoprotein transport and metabolism in the body, the following statements are correct EXCEPT: 1) Arterial walls contain cells with LDL receptors. 2) Cholesterol is required for the ... is assembled in the extracellular space. 5) VLDL transformation to LDL occurs in adipose tissue.

Last Answer : Answers-3 Chylomicrons are formed in the gut from exogenous triacylglycerols and cholesterol. They are released into the lymph and thereby enter the blood.They are not formed in the liver.

Description : The sulfonamides interfere with bacterial metabolism by a. blocking cell wall synthesis. b. disrupting folic acid metabolism. c. reacting with bacterial cell membranes. d. inhibiting DNA replication.

Last Answer : b. disrupting folic acid metabolism.

Description : Leptospira interrogans has all the following characteristics except: a. Endoflagella. b. Aerobic Metabolism. c. Exotoxin Production. d. A Hook At One End Of The Cell.

Last Answer : c. Exotoxin Production.

Description : Which of the following may account for the small size of the cells? A- .The rate of diffusion B- The surface area/volume ratio C- The number of mRNAs that can be produced by the nucleus D- All of the above

Last Answer : All of the above

Description : ____ is examples of drugs that are derived from the metabolism of microorganisms. a. Salvarsan b. Prontosil c. Penicillin d. A-C are correct

Last Answer : c. Penicillin

Description : Intracellular organization in bacterial and archaeal species is centered a. Compartmentation of metabolism. b. Growth and reproduction. c. Sensing and responding to environment. d. All the above (A—C) are correct.

Last Answer : d. All the above (A—C) are correct.

Description : A plaque is a a. Change In Cell Structure Due To Viral Infection. b. Viral Cell Inclusion. c. Clear Zone Within A Lawn Of Bacteria. d. Cellular Aggregation Of Phage Heads.

Last Answer : c. Clear Zone Within A Lawn Of Bacteria.

Description : Intracellular enzymes A-synthesize cellular material only B- .synthesize cellular material and perform catabolic reaction C- synthesize cellular material and perform anabolic reaction D- only provide energy to the cell

Last Answer : .synthesize cellular material and perform catabolic reaction

Description : Identify the components labelled A, B, C and D in the diagram below from the list (i) to (viii) given along with Components : (i) Cristae of mitochondria (ii) Inner membrane of mitochondria (iii) Cytoplasm (iv) Smooth endoplasmic ... viii) (vi) (c) (vi) (v) (iv) (vii) (d) (v) (i) (iii) (ii)

Last Answer : (a) (v) (iv) (viii) (iii)

Description : Which of the following are also known as 'Suicidal Bag of Cells'? (1) Lysosomes (2) Lycosome (3) Nucleus (4) Chromosome

Last Answer : (1) Lysosomes Explanation: Lysosomes are membrane enclosed organelles that are known as 'Suicidal Bag of Cells'.

Description : This female American geneticist achieved recognition as one of the world's foremost investigators in cytogenetics, the study of heredity by cellular and genetic methods. In 1951 she discovered that gene ... was awarded the Nobel Prize in medicine in 1983. Who is this notable woman scientist?

Last Answer : ANSWER: (BARBARW) McCLINTOCK

Description : Which of the following statements is false regarding B cells? A- B cells can undergo class switching and produce a different antibody type B- B one marrow stem cells migrate to the thymus and ... D- B cells that recognize high concentrations of antigens (self) in the absence of other signals

Last Answer : B one marrow stem cells migrate to the thymus and develop into B cells

Description : Which one of the following statements is NOT correct concerning the reproductive cycle of Chlamydia? a. Reticulate Bodies Are Infectious. b. Reticulate Bodies Reorganize Into Elementary Bodies. c. Elementary Bodies Infect Host Cells. d. Elementary Bodies Transform Into Reticulate Bodies.

Last Answer : a. Reticulate Bodies Are Infectious.

Description : Cells contain smaller parts known as organelles. The nucleus, chloroplasts, mitochondria, and vacuoles are all examples of organelles. What do these organelles have in common?

Last Answer : They are all enclosed by a membrane.

Description : Photosynthesis takes place inside plant cells in ______. (1) Ribosomes (2) Chloroplasts (3) Nucleus (4) Mitochondria

Last Answer : (2) Chloroplasts Explanation: In plants, the process of photosynthesis takes place in the mesophyll of the leaves, inside the chloroplasts.

Description : Gluconeogenesis occurs in _______ of cells. a. Mitochondria. b. Cytosol. c. Golgi bodies. d. Nucleus.

Last Answer : b. Cytosol.

Description : Which of the following is not true for prokaryotic organism? A.Nucleus is not bounded by nuclear membrane B.Chromosomes does not contain histones C.80S ribosomes are distributed in cytoplasm D.Cell wall contains peptidoglycan as one of the major component

Last Answer : C.80S ribosomes are distributed in cytoplasm

Description : Which of the following is not true for prokaryotic organism? A- Nucleus is not bounded by nuclear membrane B- Chromosomes does not contain histones C- 80S ribosomes are distributed in cytoplasm D- Cell wall contains peptidoglycan as one of the major component

Last Answer : 80S ribosomes are distributed in cytoplasm

Description : Mitochondria can be considered the ____________of the cell because they generate an enormous amount of cellular adenosine triphosphate (ATP) to fuel the cell.

Last Answer : “Power plant” or “Power house”

Description : Choose the correct statement about paracetamol: A. It increases uric acid excretion B. It is the most common drug implicated in causing analgesic nephropathy C. In equianalgesic doses it is safer than aspirin D. It stimulates cellular metabolism

Last Answer : C. In equianalgesic doses it is safer than aspirin