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lora16 [44]
3 years ago
12

The nucleolus is inside the nucleus. Its primary job is to make rrna.

Biology
1 answer:
Minchanka [31]3 years ago
7 0
It's true , because the nucleolus has always been inside the nucleus . It should be in your textbook 

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Tan mice lived in regions with sandy hills. Over time, many of these tan mice migrated to a region with dark-colored hills. Even
Shkiper50 [21]
The first, second, and fourth statements are correct.
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3 years ago
Which process temporarily disrupts homeostasis because it increases an already high concentration of chemicals in the cell?
devlian [24]

When cells in a body are not working properly and normally, they cause disruption in the body homeostasis.

Homeostatis is characterized as balance in the body but when there is any disturbance in the body, it breaks down the balance and cause imbalance. For example in the case of diabetes in which body fails to maintain the good amount of glucose in blood which results in imbalance the body which is why diabetic patients are asked to maintain and monitor their body sugar level to maintain homeostatis.


5 0
3 years ago
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The role of pigments in the photosynthesis reaction is to
pashok25 [27]

Answer:

Option A, Start the reaction by absorbing light energy

Explanation:

Chlorophyll is a green color pigment in plant that helps in entrapping sunlight. Being green in color, it absorbs the blue and red light and reflects the green light. The molecules of chlorophyll gains energy from sunlight and then jumps to higher energy levels by the process known as photo excitation. These excited molecules get ionized to further initiate the process of photosynthesis.

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4 0
3 years ago
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Limestone formations in caves are considered what kind of weathering
madreJ [45]

Answer:

Chemical weathering

Explanation:

Caves are formed by the dissolution of limestone. Rainwater picks up carbon dioxide from the air and as it percolates through the soil, which turns into a weak acid. This slowly dissolves out the limestone along the joints, bedding planes and fractures, some of which become enlarged enough to form caves.

Chemical weathering involves the decomposition of rocks due to chemical reactions between minerals such as calcite with water and gases in the atmosphere (e.g. carbon dioxide and sulphur dioxide). The solution of soluble minerals is particularly important in limestone landscapes.

Solutional caves or karst caves are the most frequently occurring caves. Such caves form in rock that is soluble; most occur in limestone, but they can also form in other rocks including chalk, dolomite, marble, salt, and gypsum.

Essentially, water reacts with carbon-dioxide to form carbonic acid. It then seeps slowly through the roof of the cave, depositing calcium carbonate, which hardens and builds up over time to form a stalactite.

7 0
3 years ago
choose frame shift mutations. deletion of 1,2,4,5,7,8 nucleotides. deletion of 3,6,9, nucleotides. insertion of 3,6,9 nucleotide
bazaltina [42]

Answer:

1231233

Explanation:123

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3 years ago
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