S.I. Biol 211

Biology 211 (2) Week 8Exam 3

Alternation of Generations

1. Order the following terms into the general outline of the alteration of genera-tions and label which are diploid and haploid where appropriate: Gameto-phyte, zygote, meiosis, sporophyte, mitosis, gametes, spores, fertilization

a.

Monocot Vs Dicot

Label the following images as monocot or dicot.

1. ______________

2. ______________

3. ______________

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4. ______________

5. ______________

6. ______________

7. ______________

8. ______________

S.I. Biol 211

Timeline of Land Plants

1. When using the Fossil Record, label each phrase to its correct time frame: A, B, C, D, or E.

1. Gymnosperms abundant _____ 2. Silurian-Devonian explosion _____3. Origin of land plants _____ 4. Angiosperms abundant _____ 5. Carboniferous _____ 6. Cuticle & spores _____ 7. Coal-forming swamps _____ 8. Diversification of flowering plants _____ 9. Stomata & vascular tissues _____

Virus Vs Organism Chart

How much of the human genome is derived from viruses? _________

Characteristics Viruses Organisms

Hereditary material

Plasma membrane present?

Can carry out transcription inde-pendently?

Can carry out translation inde-pendently?

Metabolic capabilities

Lytic Cycle

1. Describe five steps of a virus going through the lytic cycle.

S.I. Biol 211

1.

2.

3.

4.

5.

2. Some RNA viruses, such as HIV, are retroviruses, and are transcribed to DNA by ______.

a.3. Do enveloped or non-enveloped viruses undergo budding?

a.4. Describe the three hypotheses of where viruses came from.

a.b.c.

5. Viruses with single-stranded RNA genomes that enter a cell and are ready to replicate are __________ viruses, while viruses that are not ready to being replication are ________. _______ viruses are in between these two types of viruses.

a.

S.I. Biol 211

Other images to understand: