1 point

Cells in different organs, such as the brain and the heart, have different functions because

Irina18 [472]

The awnser is b there is a mutation in the gene

3 0

3 years ago

The orbital cavities , nasal cavity, paranasal sinuses, and the oral cavity are all located in what region of the body

trasher [3.6K]

These are all part of the head or skull. The cavities of the skull surround and protect the brain and sensory organs. There are five kinds of cavities of the skull which are:

nasal cavity (paranasal sinuses is included here) - The nasal septum split the respiratory system into two lateral halves, the nasal cavity is also part of the respiratory system.

cranial cavity - The large cranial cavity is split into a posterior cranial fossa and an anterior cranial fossa, a middle cranial fossa. Its function is to support the brain.

oral cavity - The oral, or buccal, cavity (commonly called the mouth) is a cavity of the head rather than a cavity of the skull because of its fleshy and muscular floor.

orbital cavity - supports and defends an eyeball and its linked muscle, vessels, and nerves.

middle ear cavity - From outer to inner, three small bones-malleus, incus, and stapes are situated within the middle-ear cavities in the petrous part of the temporal bones.

6 0

3 years ago

A population of 100 tigers has 30 with horizontal stripes. Using pedigrees, you ascertain that horizontal striping is caused by

bixtya [17]

Assuming that this population is in Hardy-Weinberg equilibrium, we can sayt that the probability that, given enough time, all tigers in the population will have horizontal stripes is 30% = 0.3.

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Available data:

Population size, N = 100 tigers
Number of Tigers with horizontal stripes = 30
Horizontal stripes is caused by an autosomal recessive mutation.

We need to know the probability that all tigers in the population will have horizontal stripes, which is the recessive phenotype.

We assume that the population is in Hardy-Weinberg equilibrium, so there should be no evolution.

Since the population is in H-W equilibrium, the allelic, genotypic and phenotypic frequencies will remain the same generation after generation.

Now, we will calculate the allelic and genotypic frequencies of horizontal striped individuals in the population.

There are 100 individuals, and only 30 have horizontal stripes.

So, the phenotypic frequency, F(HS) is 30/100 = 0.3 = 30%

Since this is a recessive phenotype, this value equals the genotypic frequency, F(hh) = 30%

Finally, we can get the allelic frequency by taking the square root of this value.

F(hh) = q² = 0.3

f(h) = q = √0.3 = 0.55 = 55%

According to these calcs, the probability for the fixation of the recessive allele is 55%, and the probability that all individuals express the recessive horizontal stripes phenotype is 30%.

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You can learn more about Hardy-Weinberg equilibrium at

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6 0

2 years ago

which of these is an example of a chemical change a lighting a match B. dissolving sugar in water C. tearing up a piece of paper

Alex_Xolod [135]

Answer:

A oxidation reactions are usually irreversible and form new product

and burn up

6 0

2 years ago

Please help!!!!! Also please no links very annoying

ioda

Answer:

The small intestine takes in nutrients, while the large intestine eliminate waste.

Explanation:

Small intestine doea not break down compounds, it is stomach's job. It is good at absorbing nutrients. Large intestine does not usually absorb nutrient, it absorbs water and eliminate waste. So combine all of this, the best answer is the third one.❤️

7 0

2 years ago