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erastovalidia [21]
3 years ago
6

A lab technician has four strains of bacteria. Although he forgot to label them, he knows that they include one F+ strain, one H

fr strain, one F' strain, and one F- strain. He observed the following results after plating these strains on different media. Which of the following plates can be used to identify the F- strain?a. minimal media with histidine, glutamate, and cysteine
b. minimal media with streptomycin
c. minimal media with leucine and streptomycin
d. complete media
e. minimal media with histidine, glutamate, cysteine, and streptomycin
Biology
1 answer:
Anit [1.1K]3 years ago
8 0

Answer:

c. minimal media with leucine and streptomycin

Explanation:

Although F- Strain of bacteria require very minimal media due to the rate of their fertility factor but the minimal media must include at least one amino like leucine and antibiotic like streptomycin because these both are necessary for the proper replication process and indeed for the proper growth.

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7. White wool (WW, Ww) and brown eyes (BB, Bb) are dominant traits in sheep, while black wool (ww) and blue eyes (bb) are recess
artcher [175]

Answer:

1/2 wWBb , White wool and brown eyes.

1/2 wWbb , White wool and blue eyes.

Explanation:

White wool (W) is dominant over black wool (w).

Brown eyes (B) is dominant over blue eyes (b).

A sheep with black wool (ww) and brown eyes (Bb) is crossed with a sheep with white wool (WW) and blue eyes (bb).

<h3>wwBb x WWbb</h3>

If there is independent assortment between genes, the genotypes of the first parent's gametes will be wB and wb. The gametes of the second parent can only be Wb.

<u>The resulting offspring will be:</u>

  • 1/2 wWBb , White wool and brown eyes.
  • 1/2 wWbb , White wool and blue eyes.

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3 years ago
What is the motion of the particles in this kind of wave?
Dmitry_Shevchenko [17]
This type of wave is a transverse<span> wave. </span>Transverse<span> waves are always characterized by particle motion being perpendicular to wave motion.</span>
7 0
3 years ago
Read 2 more answers
Which kind of solution is the concentration of solutes the same inside and outside of the cell?
Readme [11.4K]

Answer:

D. Dynamic equilibrium

Explanation:

Equilibrium is when the amount of solution outside the cell is equal to the amount inside. A dynamic equilibrium is when this homeostasis is kept through a continuing process. Therefore, since homeostasis is constantly being maintained the solution will be equal on both sides of the cell.

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Question 1 (2 points)
solniwko [45]

Answer:

DNA

Explanation:

RNA is not a double helix

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Can somebody help me out
ozzi

Answer:

the answer is c

Explanation:

7 0
3 years ago
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