Consider the transport of glucose into an erythrocyte by facilitated diffusion.  When the glucose concentrations are 5 mM on the outside and 0.1 mM on the inside, the free-energy change for glucose uptake into the cell is:  (These values may be of use to you:  R = 8.315 J/mol·K; T = 298 K; 9 (Faraday constant) = 96,480 J/V; N = 6.022×10²³ /mol.)

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#Question id: 33982

#Unit 2. Cellular Organization

A. Chromosomes occupy chromosome territories in the nucleus and very much entangled with each other. 

B. Heterochromatic regions, silenced genes, and gene-sparse regions of chromosomes are typically localized to the nuclear periphery and center of nucleus. 

C. Active genes are often found at the borders and of chromosome territories

D. Active genes from several chromosomes may cluster in inter-chromosomal territories that are enriched in transcription machinery

Choose true and false

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#Question id: 33983

#Unit 2. Cellular Organization

Which of the protein hold heterochromatin region attached to nuclear wall

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#Question id: 33984

#Unit 2. Cellular Organization

Choose correct combination of statements 

A. Each chromosome contains many fragments of very long duplex of DNA, folded into a fiber that runs continuously throughout the chromosome.

B. During interphase, euchromatin, which is slightly densely packed than mitotic chromosomes. 

C. Regions of heterochromatin remain densely packed throughout interphase.

D. Various heterochromatic regions, especially those associated with centromeres, aggregate into a densely staining chromocenter

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#Question id: 33985

#Unit 2. Cellular Organization

To analyze existing MARs that are bound to the matrix in vivo, what is correct order of method 

A. Chromosomal loops decondensed by extracting the chromatin proteins. 

B. Removal of the DNA loops by treatment with restriction nucleases

C. Amplification of MAR and sequencing

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#Question id: 33986

#Unit 2. Cellular Organization

What is the relationship between the chromosome scaffold of dividing cells and the matrix of interphase cells

A. The same DNA fragments that are found within the nuclear matrix in vivo can be retrieved from the metaphase scaffold

B. Fragments containing MAR sequences can bind to a metaphase scaffold; it is likely that DNA contains a single type of attachment site.

C. In interphase cells the attachment site is connected to the nuclear matrix, whereas in mitotic cells it is connected to the chromosome scaffold.

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#Question id: 34086

#Unit 3. Fundamental Processes

Replicators/replicons can be identified using a