Yeast artificial chromosomes contain which of the following elements?

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#Question id: 5085

#Unit 5. Developmental Biology

An embryo with meroblastic cleavage, extraembryonic membranes, and a primitive streak must be that of ________.

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#Question id: 5847

#Unit 8. Inheritance Biology

A Holliday structure is a(n)

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#Question id: 5802

#Unit 8. Inheritance Biology

A wild type allele:

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#Question id: 11908

#Unit 8. Inheritance Biology

What is the phenotype of a person who has XXXY sex chromosomes?

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#Question id: 19079

#Unit 6. System Physiology – Plant

Pathogen evades plant by penetration of surface layers directly using mechanical pressure or enzymatic attack, some pass through natural openings, such as stomata or lenticels, and others only enter through wounded tissue. Once inside the plant, one of three main attack strategies is deployed specific feature of interaction given;

A) Necrotrophy

B) Biotrophy

C) Hemibiotrophy

i) where the plant cells remain alive throughout infection

ii) where the plant cells are killed in advance of infection 

iii) extensive plant tissue damage at initial stages

iv) where the pathogen initially keeps cells alive but at later stages of the infection, kills them

Match the following