The partial negative charge at one end of a water molecule is attracted to the partial positive charge of another water molecule. What is this attraction called?

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#Question id: 19350

#SCPH28 | Zoology

An example of promoter that can respond to light could be

1. cab

2. rbcs

3. AdhI

Which of the option contains incorrect example?

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#Question id: 8700

#SCPH28 | Zoology

Use the following figure and description to answer the question.

Humans, chimpanzees, gorillas, and orangutans are members of a clade called the great apes, which shared a common ancestor about 15 million years ago. Gibbons and siamangs comprise a clade called the lesser apes. Tree-branch lengths indicate elapsed time. Assuming chimps and gorillas are humans' closest relatives, removing humans from the great ape clade and placing them in a different clade has the effect of making the phylogenetic tree of the great apes ________.

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#Question id: 2299

#I Life Science/ Life Sciences Group – I-V

_______ are plastids containing carotenoid pigments, and _______ are plastids containing starches.

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#Question id: 18593

#SCPH06 I Botany

Some important events in the history of life on Earth are given below.

A. First dinosaurs appeared.

B. First reptiles appeared.

C. First insect fossils appeared.

D. First toothed birds appearance.

E. First wingless insect appeared.

F. Mammals like reptile arise

Match the above with the geological time periods and choose the correct combination,

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#Question id: 2607

#SCPH01 Biochemistry

The precursor amino acid + enzyme of trp is ;