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#Question id: 8925
#I Life Science/ Life Sciences Group – I-V
What is the probable sequence in which the following clades of animals originated, from earliest to most recent?
1. tetrapods
2. vertebrates
3. deuterostomes
4. amniotes
5. bilaterians
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#Question id: 7762
#SCPH01 Biochemistry
Correlation between life span and the ability of fibroblasts to repair DNA in various mammalian species, Repair capacity is represented in autoradiography by the number of grains from radioactive thymidine per cell nucleus. According to graph, which factor exist on x-axis ? Note that the y-axis (life span) is logarithmic.
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#Question id: 7752
#SCPH06 I Botany
The autophagy pathway included____
a) the catabolic mechanism that delivers cellular components to lysosomes, where they are degraded
b) Autophagy protects the cell from the harmful or lethal effects of damaged or unnecessary proteins and organelles
c) During starvation, the autophagic breakdown and recycling of cellular components also
ensure cellular survival by maintaining cellular energy levels
Which of the following are the correct prediction about autophagy is true?
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#Question id: 17674
#SCPH12 I Genetics
In humans, albinism (unpigmented skin, hair, and eyes) is due to an enzymatic deficiency, and it is an autosomal recessive trait. Suppose that in a small country of one million people (“Generation 1”), there are 500 aa albinos and 9000 Aa heterozygous carriers. Has the frequency of allele a changed between Generations 1 and 2?
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#Question id: 1697
#SCPH01 Biochemistry
Cross-presentation of exogenous antigen to αβ T-cells does NOT require the involvement of: