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hichkok12 [17]
3 years ago
14

The factors that control which traits an organism will express are called what

Biology
1 answer:
9966 [12]3 years ago
7 0

Answer:

The observable traits expressed by an organism are referred to as its phenotype. An organism's underlying genetic makeup, consisting of both physically visible and non-expressed alleles, is called its genotype.

Explanation:

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Which of the following is an example of specific immunity?
zvonat [6]

Answer:

Immunity to Small Pox

Explanation:

Over the years, Europeans had built up an immunity to smallpox because many had contracted the disease and still survived. As the population grew children were born with some immunity to the disease. When the Europeans arrived in the Americas, and smallpox spread around the native peoples, the Europeans did not contract the disease because they were immune. However, since the natives were not immune, they slowly died of due just to the disease as well as some parts of the war between the europeans.

4 0
3 years ago
Do thinner sediment layers on the ocean floor mean the seafloor is older or younger in those areas?
marshall27 [118]

probably younger.----less sediment would mean less time.

3 0
3 years ago
Una solución de 0.204 M de NaOH seutiliza para neutralizar 50 mL de una solución de H3PO4. Si se necesitaron 16.4 mL de la soluc
vfiekz [6]

Answer: 0.05 M

Explanation:

Para responder esta pregunta, hay que tener en cuenta la Ley de Conservación de la Masa. <u>La misma indica que en una reacción química en un sistema cerrado, la masa total de las moléculas que participan permanece constante.</u> Esto significa que la masa utilizada en los reactivos es la misma que la masa de los productos generados.

En este problema, se cuenta con una solución de NaOH (hidróxido de sodio) tiene una molaridad de 0.204 (siendo la molaridad el número de moles por litro de solución) y se utilizan 16.4 mL de dicha solución para agregarla a 50 mL de una solución de H3PO4 (ácido fosfórico).

Entonces, ya que la masa de ambas soluciones no se pierde, podemos utilizar la ecuación de la Ley de Conservación de la Masa:

Concentración inicial x Volumen inicial = Concentración final x Volumen final.

Concentración inicial: 0.204 M

Volumen inicial: 16.4 mL

Concentración final: ?

Volumen final: 50 mL + 16.4 mL = 66.4 mL

Reemplazamos los valores en la ecuación:

0.204 M x 16.4 mL = Concentración final x 66.4 mL

La molaridad de la solución de H3PO4 es de 0.05 M.

7 0
3 years ago
A male body contains 5 to 6 liters of blood, whereas a female body contains 4 to 5 liters. why do you think there is a differenc
4vir4ik [10]

Though we say that women have lost a lot of blood during menstruation might the cause of low blood volume, but this is not the case.

Testosterone being the male hormone causes an increase in red blood cells production which is responsible for the difference. Testosterone derivatives can also be used to treat anaemia.

3 0
3 years ago
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List 5 factors/things that can contribute to decreased sperm and egg production in males and females respectively.
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1. Smoking
2. Weight
3. Alcohol
4. Drugs
5. Depression
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2 years ago
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