Consider a machine learning model with training R^2 = 0.87 and validation R^2 = 0.49.  Which of the following most likely explains this situation.

Given a Random Forest model that appears to be overfitting a bit, which hyper parameter(s) could you try tweaking to reduce overfitting? Select all that apply.

Is the bolded statement true or false? Concentrations of ATP, ADP, and Pi are maintained at a steady state in a cell.   Classify the following as true or false given the concept of a steady state. 41. The steady state means that concentration of reactants and products are equal within the cell. 42. The steady state means that concentration of reactants and products within the cell are in the same ratio as what is observed for the Keq of a reaction. 43. The steady state allows small changes in reactant/product concentration but, due to regulation, will reestablish the original reactant/product concentrations after the change occurs. 44. Energy must be used to maintain a steady state, unlike the maintenance of chemical equilibrium. 45. Free energy in the ATP/ADP/Pi steady state within a cell is higher than the free energy in the ATP/ADP/Pi reaction at standard conditions.  

All of the following are properties of muscle tissue, EXCEPT:

Which is true of a muscle fiber contraction? 

The oxygen-binding protein found in muscle cells is:

The neurotransmitter released at the neuromuscular junction is:

Use this Grammar Cruncher with the chapter 4 vocabulary as needed to help write three sentences using prepositional phrases with a dative preposition (use a different one in each sentence).    For each German sentence, write in English what you think it means.

Use this Grammar Cruncher with the chapter 4 vocabulary as needed to help you write two sentences with the verb ‘kennen’ and two sentences with the verb ‘wissen.’   For each German sentence, write in English what you think it means.

Use this Grammar Cruncher with the chapter 4 vocabulary as needed to help write three sentences using prepositional phrases with a dative preposition (use a different one in each sentence).    For each German sentence, write in English what you think it means.