Given the Equation $$( 2.00 \mathrm {~kg} ) \left( 5.00 \frac { \mathrm { m } } { \mathrm { s } ^ { 2 } } \right) = 20.00 \mathrm {~N} - 10.00 \mathrm {~N}$$

question 81

Multiple Choice

Given the equation $$( 2.00 \mathrm {~kg} ) \left( 5.00 \frac { \mathrm { m } } { \mathrm { s } ^ { 2 } } \right) = 20.00 \mathrm {~N} - 10.00 \mathrm {~N}$$ ,which answer or answers provide(s) the best description of a possible physical situation?

• A)A 20.00 N tension pulls a 2.00 kg mass.The 2.00 kg mass pulls another 2.00 kg mass.
• B)A 20.00 N force pushes a 2.00 kg mass.The 2.00 kg mass pushes another 2.00 kg mass.
• C)A 2.00 kg mass on a flat surface is acted on by gravity while another 2.00 kg mass sits on top of it.
• D)All of the situations above are possible.
• E)Only (a)and (b)above are possible.

Grasp the role and effects of histone acetylases and deacetylases on chromatin structure and gene activity.

Identify and explain the biological significance of X inactivation and the formation of Barr bodies.

Understand the processes and significance of posttranscriptional regulation in producing protein diversity.

Understand the conditions under which a partner may compete against the partnership.

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