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3 years ago

What are the functions of the menisci?

Biology

1 answer:

const2013 [10]3 years ago

3 0

Answer:

Menisci are the semi-lunar fibrous cartilage of the knee which could be either medial meniscus or radial meniscus. The meniscus in humans is present in the joints of the knee, sternoclavicular joints, wrist and temporomandibular joints.

These menisci play important roles in these joints as they reduce the friction caused by the bones during movement. They also disperse the weight of the body of the humans as they spread the load of the weight of the body to different bones like the femur and tibia.

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Put the steps of DNA Replication in the correct order.

kramer

Answer:

1. The 2 bases forming each rung of the 'ladder' snap apart. This is caused by an enzyme that passes along the strands, 'unzipping' it

2. Spare nucleotides (in the nucleus of the cell) attach themselves to the 'broken rungs' to repair the break. Each repairing nucleotide is identical to the broken one

3. As each 'broken rung' is repaired, two 'ladders' form, that is 2 identical strands of DNA. The 'repairing' is really the process of replica

Explanation:

Hope this helps!

3 0

3 years ago

What does a Diploid refer to?

Ronch [10]

Answer:

I think its a or d

5 0

2 years ago

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A red blood cell has been placed into three different solutions. One solution is isotonic to the cell, one solution is hypotonic

Dmitry [639]

The type of solution in each beaker based on cell's reaction are :

Isotonic solution : Normal reaction
Hypotonic solution : The cell becomes turgid
Hypertonic solution : The cell becomes deformed

<h3>Matching each solution to the cell reaction </h3>

When the red blood cell is placed in an isotonic solution the solvent flows in and out of the blood cell at the same rate, when the cell is placed in a hypotonic solution the solvent flows into the cell at a faster rate causing the cell to swell ( becomes turgid ) also when the cell is placed in a hypertonic reaction the cell becomes deformed becomes it loses more water than it absorbs.

Hence we can conclude that The type of solution in each beaker based on cell's reaction are : Isotonic solution : Normal reaction, Hypotonic solution : The cell becomes turgid, Hypertonic solution : The cell becomes deformed

Learn more about Types of Solution : brainly.com/question/14350978

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3 0

2 years ago

Imagine that part of a population of South American finches is blown by a storm onto an island far offshore and manages to survi

lina2011 [118]

Answer: The observation "A" leads us to conclude that the finches populations are from two different species

Explanation:

According to the biological concept of species, a set of individuals are from the same species if they are able to reproduce and leave fertile offspring. This is key so one species can be successful and perpetuate through time. If they cannot leave descendants, then the species will be extinct. However, it’s possible that two individuals from different species mate and have descendants, but they cannot leave fertile offspring. When they are from different species, the offspring will be sterile and it is called a hybrid.

In the case of the South American finch, the island's finch population and mainland's finch population belong to different species because their offspring is sterile. To have different features, as different feather's color, or to have other dietary preference is not enough to say that they are different species. This is because within the same species, individuals can have variations. For example, we can different eye color and belong to the same species.

6 0

3 years ago

Why are nitrogen oxides considered harmful to humans?

Stolb23 [73]

Answer:

Nitrogen dioxide is an irritant gas, which at high concentration cause inflammation of the airways. ... Nox gases react to form smog and acid rain as well as being central to the formation of fine particles and ground level ozone, both of which are associated with adverse health effects.

6 0

2 years ago

Read 2 more answers