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aev [14]
2 years ago
10

What was a mining process that removed large quantities of earth.

Biology
1 answer:
jasenka [17]2 years ago
6 0

Answer:

Open-cast mining

Explanation:

The aftermath of open cast mining are pits (called quarries) on the surface of the earth where the surface soil has been removed/ displaced to access the mineral deposits that are just close or at the surface of the earth. This type of mining results in environmental degradation because they disturb the biodiversity of the ecosystem in which the mining is taking place. Rehabilitation of the area is required after the mining has been exhausted to restore the initial environment.

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3. Habitat.


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My question is What are cells?
Oksanka [162]

a cell is the smallest structural and functional unit of an organism

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The hypothalamus is known to control the activity of the thyroid, which has traditionally been called the master endocrine gland
Dominik [7]

Answer: The statement is true

Explanation:

The hypothalamus is part of the Fore-brain responsible for the secretion of hormones from the pituitary gland.

This pituitary gland situated in the hypothalamus is traditionally called the MASTER ENDOCRINE GLAND, as it influence the activities of all other glands such as thyroid gland.

Thus, the hypothalamus bearing the pituitary gland is said to be in CONTROL of the activity of the thyroid, and ALSO the master endocrine gland.

3 0
2 years ago
Compare and contrast Prophase and Telophase. what is different about DNA of the chromosomes in these phases. ( Max 5 Sentences )
shepuryov [24]

Answer:

The C. elegans embryo is a powerful model system for studying the mechanics of metazoan cell division. Its primary advantage is that the architecture of the syncytial gonad makes it possible to use RNAi to generate oocytes whose cytoplasm is reproducibly (typically >95%) depleted of targeted essential gene products via a process that does not depend exclusively on intrinsic protein turnover. The depleted oocytes can then be analyzed as they attempt their first mitotic division following fertilization. Here we outline the characteristics that contribute to the usefulness of the C. elegans embryo for cell division studies. We provide a timeline for the first embryonic mitosis and highlight some of its key features. We also summarize some of the recent discoveries made using this system, particularly in the areas of nuclear envelope assembly/ dissassembly, centrosome dynamics, formation of the mitotic spindle, kinetochore assembly, chromosome segregation, and cytokinesis.

1. The C. elegans embryo as a system to study cell division

The C. elegans embryo is a powerful model system for studying the mechanics of metazoan cell division. Its primary advantage is that the syncytial gonad makes it possible to use RNA interference (RNAi) to generate oocytes whose cytoplasm is reproducibly (>95%) depleted of targeted essential gene products. Introduction of dsRNA rapidly catalyzes the destruction of the corresponding mRNA in many different systems. However, depletion of pre-existing protein is generally a slow process that depends on the half-life of the targeted protein. In contrast, in the C. elegans gonad, the protein present when the dsRNA is introduced is depleted by the continual packaging of maternal cytoplasm into oocytes (Figure 1). Since depletion relies on the rate of embryo production instead of protein half-life, the kinetics tend to be similar for different targets. By 36-48 hours after introduction of the dsRNA, newly formed oocytes are typically >95% depleted of the target protein.

Explanation:

4 0
3 years ago
If the pancreas secretes too little insulin, it results in ________. if it secretes too much insulin, it results in ________.
Montano1993 [528]

1 - Diabetes is a possible answer. When to little insulin is secreted, not enough glucose is broken down, which might cause diabetes (high blood sugar levels).


2 - Hypoglicemia. When too much insulin is secreted, all glucose will be broken down, and there will be no glucose left fot the blood (low blood sugar levels.



Hope it helped,


BioTeacher101

6 0
2 years ago
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