BI0 215 EXAM 1 2024 (ACCURATE 2024/2025 FALL QTR).COMPLETE QUESTIONS AND ANSWERS (SECTION 1-5) 100 out of 100 POINTS CORRECT.

BI0 215 EXAM 1 2024 (ACCURATE 2024/2025 FALL QTR).COMPLETE QUESTIONS AND ANSWERS (SECTION 1-5) 100 out of 100 POINTS CORRECT. Section 1: Multiple Choice (50 pts) Each question is 2 pts. 1. A protein/glycoprotein outer layer that seems to help cells withstand osmotic pressure and interact with the immune system is the: a. Glycocalyx c. capsule b. S-layer d. slime layer 2. Which of the following is used in bacterial metabolism, containing the protein RuBiSCO? a. Magnetosome c. carboxysome b. Plasmid d. vacuole 3. How do bacterial and eukaryotic ribosomes differ? a. Bacteria have more rRNA and fewer proteins b. Bacteria have less rRNA and fewer proteins c. Bacteria have more rRNA and more proteins d. Bacteria have more rRNA, and no proteins. 4. Which of these structures can be used to donate DNA to another bacterial cell, in a process known as conjugation? a. Flagella b. Fimbriae c. Pili d. Integral membrane proteins 5. Which of the following can make endospores? a. All bacteria b. Only some Gram+ bacteria c. Only some Gram- bacteria d. Only peritrichous bacteria 6. Each subunit of a viral protein coating is called a . a. Capsid b. Capsomere c. Envelope d. Integral membrane coating 7. After lysogenic virus DNA is excised from its host chromosome, what step can occur? a. Biosynthesis c. Lysis of the host cell b. Maturation/Assembly d. Insertion 8. Which of the following is a malformed protein that can cause brain diseases? a. Prion c. virusoid b. Viroid d. virus 9. Fungal filaments can be strengthened by crosswalls known as . a. Conidia c. Hyphae b. Conidiophores d. Septa