Viruses that do not have a lipid envelope tend to remain infectious outside the body longer than enveloped viruses. “Naked” viruses are also less likely to be rendered harmless by soap and water. Why?

Q: Members of the mycoplasma genus of bacteria do not have a cell wall for protection, existing with…

A: Mycoplasma genus of bacteria -- Mycoplasmas are smallest self- replicating organisms with smallest…

Q: What types of biological abilities can be combined to create more capable, more complex cells? How…

A: NOTE: Since you have posted a question with multiple subparts, we will solve the first three…

Q: Biology v Q35 How does the cell of a bacteria differ from an animal cell? Eukaryotic cells (animal…

A: The cell of bacteria is differ from animal cell in such way the eukaryotic cells (animal cell) have…

Q: 29

A: Answer: PROKARYOTIC CELL : These are the primitive type cells which do not have cell bound…

Q: According to the endosymbiotic theory, why was it adaptive for the larger (host) cell to keep the…

A: We do not know when the first living creature was established. We totally based on the evolutionary…

Q: 5)Which of the following observations constitutes evidence that mitochondria evolved before…

A: Answer:  MITOCHONDRIA = It is cell organelle present in all eukaryotes, it is the energy storage…

Q: Features of the nuclear envelope includea. ribosomes.b. a double-membrane structure.c. pores that…

A: Introduction  Cell is the basic unit of life. All organisms be it single cellular or multicellular,…

Q: What do the banded formations in marine sediments indicate?  a. Early cyanobacteria probably were…

A: Since you have asked multiple questions, we will solve the one question for you. If you want any…

Q: 4.  an ancestral eukaryote engulfed an aerobic bacterium that evolved into this present day a.…

A: Mitochondria and chloroplasts likely evolved from engulfed bacteria that once lived as independent…

Q: Then Endosymbiotic Theory points to mitochondria and chloroplasts as evidence eukaryotic cells…

A: Introduction: Mitochondria are the cell's "powerhouses," breaking down fuel molecules and capturing…

Q: inhospitable as biologists of the time generally believed a source of energy was not required in…

A: Miller and urey experiment proved the chemical origin of life. They tried to mimic the conditions of…

Q: 1. Which of the following is not an evidence that chloroplasts and mitochondria originated as…

A: Disclaimer: Since you have asked multiple question, we will solve the first question for you. If you…

Q: Which of the following is not a characteristic that chloroplasts and mitochondria share?

A: Every living organism is made up of cells. A cell is a small self-contained unit within a whole…

Q: A student observing a sample of cheek cells noticed that all of the cells were identical. Which…

A: The cell is the basic membrane-bound unit that contains the fundamental molecules of life and of…

Q: The infoldings of the chloroplast and mitochondria were discussed. The same phenomenon happens in…

A: The infoldings in the mitochondria increase the surface area for the recruitment of respiratory…

Q: Which of the following is a function of nuclear pores? to allow DNA to enter the nucleus from the…

A: Nuclear pore- the  nuclear pore is a protein-linked channel in the nuclear envelope that regulates…

Q: 1 TRUE or FALSE Cell gap junction allows transferring of proteins and nucleic acids to pass through…

A: Cell gap junctions are specialized intercellular connections which connects cytoplasm of two cells…

Q: One piece of supporting evidence for the endosymbiotic theory for the origin of eukaryotic cells is…

A: The endosymbiotic theory states that some of the organelles in eukaryotic cells were actually…

Q: 10. Prokaryotic cell movement is attributed to: A. capsules. B. flagella. C. ribosomes. D. pili 11.…

A: A prokaryotic cell movement is attributed to flagella (option C). Reason: Capsule: Outermost layer…

Q: Which of the following are examples of eukaryotic organisms? (Select all that apply) Flowers…

A: Question 1 - Flowers and Humans are examples of eukaryotic organisms. Bacteria and Archaea are…

Q: 7. Organisms have a mucleus surrounded by a nuclear- membrane. Genetic material is concentrated…

A: A cell is a smallest structural and functional unit of organisms. Cellular arrangement or the…

Q: Which of the following statements is TRUE? Robert Hooke proved that cells come from pre-existing…

A: which of the following statement is true: Robert Hooke proved that cells come from a pre-existing…

Q: 2. Describe a prokaryotic cell in depth and give an example of an organism that is made of…

A: Domains of life There are typically three domains of life classified, bacteria, archaea and eukarya.…

Q: 1. What is the main difference between a prokaryotic cell and a eukaryotic cell? A-Prokaryotic cells…

A: Eukaryotic cells are those cells which are more complex in nature as compared to the prokaryotic…

Q: 5. When used for imaging, the wavelength of the radiation needs to be smaller than the thing being…

A: There are diverse types of bacteria,viruses,protozoa and other microbes exist in our…

Q: 10. Membrane-bound organelles have been an important component in the evolution of complex,…

A: Eukaryotic cell : These are the cells that are characterized by the presence of a well defined…

Q: Some bacteria can produce organic substances by using energy from sunlight. Which of the following…

A: The diverse organisms of the world are classified into several groups, depending on their structural…

Q: antibiotic or enzyme can be a control method that would work against the external structure found in…

A:

Q: Bacteria that cause the disease typhus are close relatives of bacteria that evolved into _____.…

A: Bacteria are a type of biological cell. They constitute a large domain of prokaryotic…

Q: 1. Which of the following is NOT a difference between eukaryotes and prokaryotes? a) Prokaryotes…

A: Cells are some of the smallest organisms around. All living things consist of cells, and yet they…

Q: Which of the following would have been found in an early prokaryotic cell? a membrane-bound…

A: Introduction Prokaryotic organisms are unicellular organism (e.g. bacteria). They comes under the…

Q: Match the microorganism to the best description of its cell wall component. A. Lacks cell wall ,…

A: The cell wall is specific to plant cells. In animal cells, the protective membrane is called the…

Q: 1.Which of the following is true with a eukaryote? A) It has DNA. B) It has cell membrane C) Both of…

A: NOTE: AS PER OUR GUIDELINES WE ARE ONLY SUPPOSED TO ANSWER FIRST THREE QUESTIONS , PLEASE RESUBMIT…

Q: You look under a microscope and see a small single-celled organism. It appears to be rod shaped and…

A: Protozoa: Protozoa are single-celled critters that can be found in almost every ecosystem on the…

Q: 5. A cell wall is / 6. The nucleolus of a cell is about the same size as the nucleus of a carbon…

A: Q5. True because only plants, fungi and some bacteria contain cell wall and in animals cell wall is…

Q: 5. The symbiotic theory explains the origin of eukaryotic cells with the transition to aerobic-…

A: Introduction  Eukaryotes are organisms having cells that contain a nuclear envelope around their…

Q: The endosymbiotic theory argues that prokaryotes become some of the organelles of early eukaryotic…

A: A cell is defined as the smallest unit of a living organism which is the basic structural,…

Q: What is the purpose of a cell wall in bacteria?   A. Structure   B. Protection    C.…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 1.Which of the following is NOT contained in a chloroplast? A. Nucleus D. Stroma B. Chlorophyl E.…

A: Answer.  A chloroplast is a cell organelle that assists in the process of photosynthesis with the…

Q: 2. A scientist discovered an unknown organism in a tropical rainforest. The organism has been…

A: Taxonomy can be defined as the science that deals with the naming, classification & description…

Q: and have no 6. Bacteria do not have a a. nucleus, cell membrane b. nucleus, organelles c. cell…

A: Prokaryotic cells vary from eukaryotic cells in that they lack the membrane bound organelles,…

Q: Your friend believes that prokaryotes are always detrimental and pathogenic. How would you explain…

A: The cell is the basic structural and functional unit of the body. It is of two types- prokaryotic…

Q: features of mitochondria are similar

A: A cell is a small self-contained unit within whole organisms. It is the littlest unit of the body.…

Q: 1.    What is spontaneous generation? 2.    How did Pasteur’s experiment defeat the theory of…

A: As per our guidelines, we are supposed to answer only three sub-parts. Kindly repost the remaining…

Q: 1. Is the potato a living organism? Is it a live? How do you know?

A: Biologists are continuously studying about the exact concept of life. Living things are too diverse,…

Q: 3. Which of the following eukaryotic kingdoms is autotrophic, uses sunlight to synthesize food…

A: The characteristics of organisms determine the position of the organisms in the particular kingdom.…

Q: 1.Which of the following is true with a eukaryote? A) It has DNA. B) It ha s cell membrane C) Both…

A: Question -  1.Which of the following is true with a eukaryote? A) It has DNA. B) It has cell…

Q: Which of the following is NOT true about mitochondria and chloroplast proteins? A. Proteins of both…

A: The mitochondria are commonly considered as the “powerhouses of the cell”. The energy (ATP)…

Q: Broth without contamination Organisms grew Write as many observations and inferences about the…

A: The diagram depicts the experiment performed by the Louis Pasteur. His experiment refuted the theory…

Q: Biology v Q2 Which of the following is the only cell organelle seen in a prokaryotic cell?…

A: Cell is defined as the fundamental unit of life. The term cell was presented by Robert Hooke in…

Viral Infections

Viruses are abundantly found, minute entities that have genetic material enclosed within a protein coat. The proteinaceous material enclosing the genetic material of the virus is called a capsid. The genetic material could be either DNA (deoxyribonucleic acid) or RNA (ribonucleic acid). A virus is too minute to be looked at with naked eyes and therefore visualized with the help of a microscope. They are acellular entities that require a host for processes, such as replication, transcription, translation and multiplication. Plants, animals, and bacteria act as host wherein the virus reproduce. Viruses cannot multiply outside the host's body and thus are considered nonliving outside the host body.