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- Suppose you are studying a mysterious disease, and you discover that it is caused by a tiny pathogen that contains some nucleic acid and some protein, but does not have a plasma membrane. Is it most likely a bacterium, a virus, or a prion? Explain your answerKindly answer questions 14, 15, and 16.Question 14 Select one answer. Ion channels tend to have multiple protein subunits. This indicates that the highest level of protein structure they exhibit is: A. tertiary structure B. secondary structure C. quaternary structure D. primary structure Question 15 Select one answer. When wound healing occurs, new blood vessels grow into the area to support the healing process. At the end of healing, these blood vessels break down. The latter process is an example of:A. apoptosis B. mitosis C. timed cell loss D. necrosis Question 16 Select one answer. Large water-soluble molecules typically enter cells via A. exocytosis B. endocytosis C. direct diffusion through the membrane D. protein channelsA chemical works as a disinfectant by poking holes in bacterial cell membranes. Why would this stop the cells from making ATP? Why would the inability to make ATP kill a cell?
- A human cell was placed in a solution. The human cell absorbed the water and then burst. What kind of solution was the human cell placed in?The structure where amino acids are put together in order to make proteins is the ________________. a. Nucleus b. Mitochondria c. Ribosome d. Endoplasmic reticulumWhat must be the reason why prokaryotes are often called simple cells while eukaryotes as complex cells? Expound the answer. (please do not copy paste explanation from the internet,thank you)
- Compare and contrast DNA replication, transcription, and translationIf a tiny hole is made in a cell membrane, it usually closes over immediately. What feature of the cell membrane allows this to happen so quickly? Describe in terms of composition.pancreas cell has a different function and structure from a brain cell a. because the cells contain different genes. b. because the cells contain different chromosomes. c. because the cells have different replication proteins. d. but the cells have identical DNA.