Description

What characteristics of bacterial growth guide the development of models?

Cells divide in half

Each cell takes approximately the same time to divide

Neither of the above

Both of the above

Question 2 (1 point) ✓ Saved

The change in bacterial population (B(t) – B(t-1)) increases with each time step

linearly

positive curvature with time

negative curvature with time

It is constant

Question 3 (1 point) ✓ Saved

What can we confidently say about the rate of cellular division

Cells divide once during each time step

Cells divide less than once per time step

A certain fraction of the cells divides during each time step

There is not a constant rate of cell division during time steps

Question 4 (1 point)

Saved

Which equation for bacterial growth is mathematically correct?

B(t+1) – B(t) = C (B(t+1))

B(t) – B(t – 1) = C (B(t-1))

B(t+1) – B(t-1) = 2C(B(t))

B(t+1) = (1/C)(B(t+1) – B(t))

Question 5 (1 point) Saved

If the rate of cellular division is constant, but the change in concentration is

increasing, then what can we say about C, the rate of change.

where B(t+1) – B(t) = C B(t)

C is increasing over time

C is a constant

C must be calibrated for each time step

none of the above

Question 6 (1 point) Saved

Plotting population change vs population density indicates that the model of

bacterial growth (governing differential equation) is

exponential

linear

somewhere in between linear and exponential

none of the above

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