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2 years ago

Bacteria that lack fimbriae are less likely to ________.

Biology

1 answer:

nikdorinn [45]2 years ago

6 0

Answer:

The correct answer will be option- adhere to cell surfaces.

Explanation:

The bacterial fimbriae are the cellular appendages which help the bacteria to attach to a substratum. This attachment property of the fimbriae is due to the presence of a protein called adhesins.

The fimbriae are also known as the attachment pilus of the bacteria which are thinner than a flagellum. The bacteria posses many fimbriae to adhere to the surface like to receptors, another bacteria or any other substratum.

Thus, option- adhere to cell surfaces is the correct answer.

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For sub-freezing temperatures, the saturation vapor pressure just above a liquid water surface is ____ the saturation vapor pres

dimaraw [331]

<h2>Sub Freezing Temperature</h2>

Explanation:

Greater than Is Right Answer.

Freezing precipitation is essentially rains that falls through a shallow layer of cold temperatures at or underneath 0 degrees Celsius (32 degrees F) close to the surface.
Numerous individuals can drive in the rains and day off, when the streets become cold, it is practically difficult to drive.
Freezing happens when the particles of a fluid get so cold that they hinder enough to snare onto one another, framing a strong precious stone.
<em>Pure water, this occurs at 32 degrees Fahrenheit, </em>and not at all like most different solids, <em>ice grows and is in reality less thick than water.</em>

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2 years ago

How many contractions per minute were required for the paramecium to maintain a relatively stable internal solute concentration

Phoenix [80]

Answer:

abt 24 contraction per min is needed to maintain a relatively stable internal solute conc.

paramecium maintain its volume by preventing itself from shrinking by holding in as much water as it can.

When the water solute concentration is reduced, the number of vacuole contractions will increase. But when the water solute concentrations rise, the number of vacuole contraction will decrease.

When the number of vacuole contractions will increase, the water solute concentration is reduced. But when the water solute concentrations rise, the number of vacuole contraction will decrease. So it is cetris paribus, means when the one is increase the other one will decrease.

8 0

2 years ago

Suppose that Gene B occurs in a sea turtle gene pool where the frequency of the B1 allele is 0.5 and the frequency of the B2 all

disa [49]

Answer:

Frequency of the B3 allele $= 0.1$

Explanation:

The allele frequencies in a given population remain constant which means that every generation will have the same gene pool across the generations. As per Hardy Weinberg’s first equilibrium equation, the sum of frequency of all the alleles at a given locus is equal to one

Thus, if "p" represents the frequency of B1 allele and "q" represents the frequency of B2 allele and "r" represents the allele for B3 allele. Then, sum or "p", "q" and "r" is equal to one.

$p+q+r = 1\\$

Substituting the given values, we get -

$0.5 + 0.4 + r = 1\\0.9 + r = 1\\r = 1-0.9\\r = 0.1$

5 0

2 years ago

Wetlands help reduce erosion through _______.

vitfil [10]

<span>Wetlands help reduce erosion through B. sediment trapping.
Soil and rocks are trapped and then there is no erosion or crumbing of the ground and rocks.
</span>

3 0

2 years ago

Read 2 more answers

Is a waste product that uses the most energy to produce

viktelen [127]

A waste product is a product that is made but isn’t necessarily needed eg. A lightbulb will make light energy but it also makes a waste product heat.

4 0

2 years ago