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Oksana_A [137]
3 years ago
13

What is the lightest semi-metal on the periodic table?

Biology
1 answer:
zhuklara [117]3 years ago
6 0

Answer:

lithium

Lightest Elemental Metals

The lightest or least dense metal that is a pure element is lithium, which has a density of 0.534 g/cm3. This makes lithium nearly half as dense as water, so if lithium was not so reactive, a chunk of the metal would float on water.

Explanation:

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The process shown in the diagram produces oxygen and sugar. Which
german

Answer:

Oxygen and glucose are both reactants in the process of cellular respiration. The main product of cellular respiration is ATP; waste products include carbon dioxide and water.

Explanation:

so ts Cellular Respiration

3 0
3 years ago
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How would gene expression be affected if there was an error in translation(reading instructions)?
Andrews [41]

Gene expression is about making mRNA which is then translated into a protein. If the mRNA that was expressed is mis-read it may or may not have an affect on gene expression. It will have a negative effect if:

1. The protein produced is required for gene expression (e.g. the DNA polymerase)

2. The protein produced is another critical protein that the cell cannot live without.

3. If the question is more about constantly misreading during translation, eventually the cell would die because the wrong proteins would be made (or not made at all).

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3 years ago
Choose 1 Transport Mechanism in a cell and make a relatable analogy based on your experience recently. Explain .
timofeeve [1]

Answer:

<u>Active transport across membranes is like refilling an empty soda can after pouring the soda into a cup. It takes effort (energy in the form of ATP) to pour the soda back into the can, it wouldn't typically happen on its own.</u>

Explanation:

Cells use several transport mechanisms to move substances across their plasma membranes. Plasma membranes control all movement of substances through passive transport,  which does not use energy; and active transport which requires chemical energy in the form of ATP.

Active transport moves substances out of cells against their gradients. In the cell, glucose can be transported inwards for respiration. However, because the internal environment is typically concentrated, (and glucose is needed in high amounts) this requires the use of transport enzymes and ATP.

6 0
3 years ago
Which of the following structural changes is not typically seen in a cell that is undergoing apoptosis? Choose one: A. The cytos
barxatty [35]

Answer:

The correct answer will be option-D

Explanation:

Apoptosis is the process which leads to the death of the cell which is programmed and thus is known as the programmed cell death.

The death of a cell takes place when the cell experiences the lack of survival signals either due to the need to kill the cell or some genetic defects in DNA contained in cells.

The cell which undergoes apoptosis process can be easily marked by their shape as it gets shrunk, the cytoskeleton of the cell collapses, irregular bulges called blebs and the disassembly of the nuclear envelope.

Since the cell shrinks instead of swelling, therefore, option-D is the correct answer

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3 years ago
1pt A female produces egg cells continuously throughout her lifetime.<br> A. true<br> B. false
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B. false Current knowledge indicates that females are born with their entire lifetime supply of gametes. At birth, the normal female ovary contains about 1-2 million/oocytes (eggs). Females are not capable of making new eggs, and in fact, there is a continuous decline in the total number of eggs each month.
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3 years ago
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