Dichotomous key lab modified PDF

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Dichotomous Keys: Cells and Viruses Dry Lab

Student Name

Date

1

Activity 1 Photos

Photo 1 \

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2

© 2017 Carolina Biological Supply Company

3 Insert the photo or scan of your prokaryotic cell drawing from Activity 1. The following should be indicated in this photo:  cell membrane type  circular DNA  ribosomes  flagellum (if applicable)

Photo 2

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4

© 2017 Carolina Biological Supply Company

5 Insert the photo or scan of your eukaryotic cell drawing from Activity 1. The following should be indicated in this photo:  double-stranded DNA inside a nuclear membrane  ribosomes  mitochondria  endoplasmic reticulum  lysosomes 

Golgi apparatus

  

vesicles optional internal organelles means of locomotion if applicable

Photo 3 Insert the photo or scan of your virus drawing from Activity 1. The following should be indicated in this photo:  capsid shape  DNA or RNA, if it is single stranded or double stranded, and the replication direction © 2017 Carolina Biological Supply Company

6

1. Based on your drawings, which have the most complex structure: eukaryotes, prokaryotes, or viruses? Which have the simplest structure?

Most comple complex x is the eukar eukaryotic yotic ce cell ll and the simplest is the vir virus us

Activity 2 Enter your dichotomous key here.

Activity 3

Virus Dichotomous Key 1a. Tail ...go to 2 2a. Long tail… go to 4 3a. Rod Shaped... TMV © 2017 Carolina Biological Supply Company

1b. No tail…go to 3 2b. Short tail… T7 Phage 3b. All other shapes…go to 6

Virus: 7 4a. Curved tail… Ebola 4b. Straight tail…go to 5 5a. More than two fibers… T2 5b. Less than 2 fibers… Lambda Phage 6a. Oblong shape… go to 7 6b. Round shape…go to 8 7a. Smooth outer edges… 7b. Rough outer edges… Pox Influenza Virus: 8a. Capsid surrounded by an 8b. No envelope, angular shape… envelope…HIV PhiX174 Phage Identify the following viruses using the dichotomous key:

Virus: Lambda Virus: T7 Virus: ebola bacteriophage Virus: … T2 Phage

Virus: Virus: Pox

Virus: HIV ©TheRoamingSci entist

Virus: TMV

Virus: influenza

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Vi

©TheRoamingSci PhiX174 Ph

8

© 2017 Carolina Biological Supply Company...