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Simora [160]
3 years ago
10

Why has the spread of the herbicide-resistant hydrilla through Florida’s waterways resulted in them no longer being navigable by

most boats?
a.
Thy hydrilla has induced a drought that drained the waterways.
b.
The weed clogs propellers that boats use for propulsion.
c.
The sticky leaves of the weed hold boats in place.
d.
All of the above
Biology
2 answers:
Flura [38]3 years ago
7 0

The weed clogs propellers that boats use for propulsion.

Alekssandra [29.7K]3 years ago
5 0

The correct answer is option B

The herbicide resistant hydrilla became a problem in the navigation of boats as this weed clogs the propellers that is used for propulsion or we can say for its movement.

The weed became resistant because of using the same kind of herbicide every time. This led to their growth in massive number. When the boat move in water these plants get stuck into the propellers and hinders the movement of boat which caused problem.

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In mice, black fur is dominant to grey fur. If you cross a BB male with a Bb female, what are the possible genotypes and phenoty
coldgirl [10]

Answer:

50% BB (black), and 50% Bb (black)

Explanation:

When you make the punnet square, you will get two BB, and two Bb. That will show you that the outcome of all the offspring will be black. There is 0% chance there will be a grey mouse because it is the recessive gene.

8 0
3 years ago
Which type of cells form new cells with specialized functions?
grin007 [14]

Answer:

Stem cells!

Explanation:

Stem cells provide new cells for the body as it grows, and replace specialized cells that are damaged or lost. They have two unique properties that enable them to do this: They can divide over and over again to produce new cells. As they divide, they can change into the other types of cell that make up the body.

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3 years ago
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The regulatory protein responsible for binding to calcium for contraction to proceed is _____.
vova2212 [387]

The regulatory protein in muscle responsible for binding to calcium for contraction to proceed is troponin.

Troponin is a crucial player in the regulation of muscle contraction by calcium: The actin-tropomyosin-troponin complex, which makes up the thin filaments of striated muscles, is the only structure that can bind calcium. Actin filaments are also connected to troponin, a calcium-binding protein that controls contraction in skeletal or cardiac muscles.

Three parts or subunits of troponin:

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NMR spectroscopy was used to determine the atomic structure of the troponin head.Troponin and tropomyosin are both necessary for the control of calcium in striated muscles. Troponin or tropomyosin mutations result in the well-known cardiac myopathy.

To learn more about troponin click here

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2 years ago
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Ostrovityanka [42]

Answer:

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Dermis is the second layer of skin.

Subcutaneous fat is the bottom layer.

3.  Temperature (thermoreceptors)

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Explanation: me being a smarty pants

8 0
3 years ago
If the genotypes for baldness are B for the dominant allele and b for the recessive allele, what would the genotype be for a per
xenn [34]

Answer: Bb

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