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choli [55]
3 years ago
10

A basalt rock displaces 16mL of water. The density of the mass is 3.0g/cm3. What is the mass of the rock?

Biology
1 answer:
Rainbow [258]3 years ago
6 0

Answer:

48g

Explanation:

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It would be D species
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Which layer of skin contains living cells, is vascularized, and lies directly above the hypodermis?
kicyunya [14]

Answer:

Dermis.

Explanation:

The skin is the outer most protective layer that differ in structure and composition of the vertebrates. The main function of skin is the regualtion, sensation and protection of the organism.

The skin is divided into different layer : epidermis, basement membrane dermis,  and subcutaneous tissue. Only the dermis layer contains the living cells that are highly vascularized and present beneath the hypodermis. Dermis layer protect the body from the stress and strain.

Thus, the correct answer is option (2).

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3 years ago
Explica el impacto del desarrollo de las técnicas moleculares en los sistemas de clasificación de los organismos.
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Answer:

Las técnicas moleculares, especialmente aquellas basadas en la manipulación del material genético, permitieron automatizar el proceso de identificación y clasificación de especies

Explanation:

Las técnicas moleculares usadas para la clasificación de organismos son aquellas principalmente relacionadas a la manipulación de su material genético. En especial, las técnicas de extracción de ADN, amplificación mediante la reacción en cadena de la polimerasa (PCR) y posterior secuenciación han posibilitado automatizar el proceso de clasificación de organismos. Los marcadores moleculares de ADN basados en secuencias génicas evolutivamente conservadas tales como, por ejemplo, la secuencia del gen Citocromo Oxidasa I (COI) en animales, son ampliamente usados para automatizar este proceso de identificación y clasificación de nuevas especies.

8 0
2 years ago
Your teacher is performing an experiment in the lab. She takes a test tube
pishuonlain [190]

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a. bubbles formed

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4 0
3 years ago
The principal microtubule-organizing center in animal cells is the ____________. A. centrosome. B. centromere. C. kinetochore. D
Gwar [14]

Answer:

A. centrosome

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  • It is the center through which the microtubules emerge.
  • In animal cells, the centrosome is associated with the formation of spindle fibres. 
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2 years ago
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