Question

ich of the following is falecer NASA's interest in a possibility of Martin The interest w ciginally parked by nemaletures of ALH 5400 the oldest of about Snowman-derived material These features included bacterial folkestructures complex e s, and napete structures that produced by magnetic bacteria och NASA cently unced discovery of organisia > Williy e . They also reported w alks in medane above the contenerlake All of the above are true 7. Which of the following is ismatched concerning the early great microbiolog Anton Lewend First observation of the microbial B a lic-Father of chemotheney, worked on solubleshences in Med ie, bodisia c obacters, discovered Salaan 606 for C. Joseph Lister-An t i surgical practice D D owRole of places in combating hectares E None of the above is w atched Which of the following is the concerning Cov e A Single-wanded RNA strand, helical vir B. Enveloped making hard disinfection very difficult C. Coronavirus derived from the Latin Com ing sw ing of ay bulbous surface projections for spikes A receptor-binding domain on Stop medies the tachment of the visto Is cellular receptor and thus determines tropism or host mage. E No vaccines or therapeutics. 9. Which of the following characteristics of the 3 domains of living things which will have the characteri ) esclude viruses, viroids and prions? O mitochondria nucleic acid 10. Which of the following is faire concering syphilis? A Caused by the spirochete Treponema pallid Diagnosis is by cultivation on appropriate selective media C The initial lesion (chance) at the site of entry looks something like a fever e r Secondary syphilis is characterized by a maculopapular rashoitops of hands and soles of feet. Untreated primary secondary syphilis leads years later to tertiary wypis with destructive pranulomas (gummas), dements, and sortic aneuriss Reply...

Answer 1

6. All the above are true

Explanation: where NASA discoveries was started by interest in features of meteriotes and with that they found to know that bacterial fossils,spikes in the methane and recently organics in mars.

7. Dmitri iwanowski role of phagocytosis in combating bacterial infections.

Explanation: dmitri iwanowski dicovered the viruses from tobacco plant so false match.

8. Enveloped corona virus making hand disinfectant very difficult.

Explanation : covid 19 is an enveloped virus which can be killed easily because it contains protiens and lipids in the outer membrane so disinfectant rupture the membrane and kill viruses. non enveloped virus is hard to kill because they contain capsid. so it is false.

9. Nucleic acid

Explanation: nucleic acid is common in all 3 domains archea, bacteria, eukaryotes.

10. Diagnosis is by cultivation of appropriate selective media:

Explanation: syphilis is only diagnosed by presence of antibodies in the blood or by RPR(rapid plasma reagin).