E2p2 Flashcards
(20 cards)
True or False?
Coronavirus only parasites lung cells, and this is the reason why very sick patients always need to have a respirator.
False
In which case does DNA with viral origin are inserted inside the DNA of the host.
HIV
As a Homo sapien, I am…
Diploid
As a Homo sapien, I have what kind of tissue?
Only diploid tissues
Chromosomes in bacteria?
Dont have histones
Which of the following statements are correct?
-Breastfeeding can transmit HIV to the baby
-HIV can be transmitted from the mother to the fetus through the placenta
Most of known bacteria are…
Gram negative
Generalized transduction:
Lytic infection cycle
During conjugation..
Plasmids are involved
Horizontal gene transfer
cell-to-cell contact
What are involved in conjugation?
Plasmids
In which of these cases can the largest piece of the single chromosome of a bacteria be moved during horizontal transfer of genes?
Generalized transduction
What is involved in transformation as a mechanism for prokaryotic horizontal transfer of genes?
Changes in environments
A researcher has two different individuals of bacteria of the same species growing together in a flask (Individual 1 and Individual 2). They are growing without any particular environmental stress. Under these conditions the researcher will not be surprised if he/she finds:
He/she does not find any new individual in which its chromosome is a fusion of the chromosomes of Individual 1 and Individual 2
In haplontic multicellular species, there are…
Zygotes
In a haplodiplontic species, _____ individuals will produce the gametes that will come together to make diploid zygotes
Haploid
In diplontic individuals, there are…
Only diploid tissues and haploid gametes
Gametophytes produce gametes after…
Mitosis
In haplodiplontic individuals..
Sporophytes produce haploid spores after meiosis
Zygotes are..
Diploid and unicellular
Plasmodium is…
Haplodiplontic
