Which is not an endocrine gland? 1 Pancreas 2 Thymus 3 Parathyroid 4 Stomach

KengaRu [80]

Answer:

What is a metabolic pathway?

Metabolic pathways could be simply defined as ways whereby reaction occurs chemically within a cell which are carried about by enzymes called metabolites, those enzymes helps in hasten up the reaction.

Explanation:

7 0

2 years ago

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7) 4 unique haploid daughter cells are formed:

Anettt [7]

Answer:

Meiosis II

Telophase II

Explanation:

The chromosomes line up in a similar way to the metaphase stage of mitosis. The sister chromatids separate and move toward opposite ends of the cell. Meiosis II results in four haploid (N) daughter cells. You have FOUR (4) daughter cells with the haploid number (N) of chromosomes

6 0

3 years ago

Although air is full of nitrogen, it is not available for organisms to readily use. Nitrogen is changed into which substances be

bulgar [2K]

Answer:

It is essential for all living things. Fixation: In order for organisms to use atmospheric nitrogen (N2), it must be “fixed” or converted into ammonia (NH3).

Explanation:

8 0

2 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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2 years ago

Nicotine is only one of the many toxic chemicals inhaled while smoking. What effect can such toxic chemicals have on the body?

svet-max [94.6K]

The effect of such toxic chemicals to the body is that they stimulate uncontrolled cell division. Uncontrolled cell division or cells proliferation may lead to cancer. The unchecked cell growth results to mutations in genes that can cause cancer by accelerating cell division rates or inhibiting normal controls on the system, such as cell cycle arrest or programmed cell death.

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2 years ago