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UNO [17]
3 years ago
6

What is the answer to this question

Biology
1 answer:
Setler [38]3 years ago
7 0
B

Chromosomes contains genetic information
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A culture of bacteria enters the exponential growth phase with 4,596 cells per mL. After 15 hours, there are 206,104,972 cells p
tekilochka [14]

Answer:

The Growth rate constant (k) will be = 5.16 \times 10^-03  per minute or 0.308  per hour.

Explanation:

Given,

N₀ = 4596 cells / ml

N = 206104972 cells / ml

t = 15 hours

We know that,

                  n = 3.3 \times log  \frac {b}{B}

Where,

n = no. of generation during the period of exponential growth.

∴    n = 3.3 \times log  \frac {b}{B}

       = 3.3 \times log \frac {206104972} {4596}

       = 3.3 × 44844.42

∴   n  = 15.350

We know that,

                 g = \frac {t} {n}

Where,

g =  generation time    

t = duration of exponential growth

∴    g = \frac {t} {n}                             or                ∴    g = \frac {t} {n}

         =  \frac {15 \times 60} {15.350}                                               = 15 / 15.350

          = 900 / 15.350                           ∴  g  = 0.977 hours

∴      g  = 58.63 minutes

We know that,    

               k = 0.301 / g

Where,   k = specific growth rate

∴    k = 0.301 / g                       or                      ∴   k = 0.301 / g  

           = 0.301 / 58.63                                            = 0.301 / 0.977

∴      k   = 5.16 \times 10^-03  per minutes             ∴  k   = 0.308 per hour

6 0
3 years ago
1. A Trellis is not the device that holds up the grape vine and fruit?
BARSIC [14]
1. False ( Its also used to hold up other plants, its a wooden arch)

2.False (cover crops are crops planted to prevent soil erosion not to harvest, think grass)

3.False (depends on the wine, but no wine is harvested during maximum sugar content. The more sugar the higher the alcohol content)
5 0
3 years ago
A 29-year-old carpenter sustains severe injuries of the pelvic splanchnic nerve by a deep puncture wound, which has become conta
LiRa [457]

Answer:

A. Ganglia in or near the viscera or pelvic plexus

Explanation:

parasympathetic preganglionic fibers in the splanchnic nerve originates from the sacral nerve of the autonomic nervous system. The splanchic parasympathetic preganglionic fibers synapses near the viscera or pelvic plexus with postganglionic neurons

5 0
3 years ago
Which of the following steps is not likely to take place during cellular respiration
elena-s [515]

Answer:

Taking in water and carbon Dioxide and releasing oxygen as waste

Explanation:

This process is called Photosynthesis which is the total opposite of Cellular Respiration.

7 0
3 years ago
Which of these is used to find the estimated age range of a fossil?
gogolik [260]

Answer:Its Absolute Dating

Explanation:

absolute dating methods provide chronological estimates of the age of certain geological materials associated with fossils, and even direct age measurements of the fossil material itself.

8 0
3 years ago
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