In drosophila, the dorso-ventral axis of the embryo becomes divided into four regions early in embryogenesis.

A. The ventral mesoderm, which will form muscles and other internal connective tissues

B. The amnioserosa, which gives rise to an extra-embryonic membrane on the dorsal side of the embryo

C. The dorsal ectoderm, which gives rise to larval epidermis

D. The ventral ectoderm or neuroectoderm, which gives rise to the larval nervous system and epidermis

What is the correct sequence of these regions from ventral to dorsal?

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#Question id: 13002

#Unit 3. Fundamental Processes

Where in a eukaryotic cell do you think you would find each of the following proteins residing when it is actively performing its function. Be as specific as you can in terms of subcellular location.

Match the following with the correct subcellular location;

I) Polymerases	a) In the cytoplasm
II) Ribosomal proteins	b) Inside the plasma membrane.
III) DNA ligase	c) In the mitochondrial matrix
IV) protein that allows ions to pass in and out of the cell	d) In the nucleus of cells
V) Activator protein	e) Inside the nuclear membrane
VI) an enzyme in the Krebs/TCA cycle
VII) a protein that forms a channel through which mRNAs can be exported into the cytoplasm

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#Question id: 28068

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following addition of group represent acetylation?

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#Question id: 2231

#Unit 2. Cellular Organization

Membrane proteins:

I) are sometimes covalently attached to lipid moieties.

II) are sometimes covalently attached to carbohydrate moieties.

III) are composed of the same 20 amino acids found in soluble proteins.

IV) move across the membrane unless they are anchored

Which of the following combination is correct?

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#Question id: 1536

#Unit 4. Cell Communication and Cell Signaling

Use the following figure to answer the question. According to figure, which of the following statement is incorrect?

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#Question id: 4393

#Unit 3. Fundamental Processes

Which of the following statement(s) regarding transcription initiation and RNA Pol III is (are) true?