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denis-greek [22]
3 years ago
5

In sexual reproduction, offspring inherit twice the DNA of each parent. _

Biology
2 answers:
Oduvanchick [21]3 years ago
5 0
Answer :

False

Explanation
nata0808 [166]3 years ago
3 0

Answer:

False!

Explanation:

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icang [17]

Pulmonary artery carry deoxygenated blood while are there arteries carry oxygenated blood.

pulmonary vein carries oxygenated blood while the other veins carry deoxygenated blood

8 0
3 years ago
Suppose that a certain gene functions to enforce a checkpoint on the cell cycle. A mutation causing the loss of this gene's func
chubhunter [2.5K]

Answer:

The correct answer is C. be more likely to have cancer at some point in his/her life.

Explanation:

Cell cycle checkpoints are controlled by different proteins which are coded by different genes. They are important in cell cycle regulation and stops cell cycle immediately if they find any problem in the cell like mutation.

The cell cycle will not be continued if the problem does not solve and cell death will occur which prevents cancer by preventing the mutation to spread into new cells.  

Therefore if a mutation occurs in certain genes that enforce a checkpoint on the cell cycle then the mutated gene will pass in new cells and the mutated cells will grow uncontrollably due to no checkpoints so the person will probably have cancer at some point in his or her life.

7 0
3 years ago
Providing immunity by injecting the body with a weakened form a pathogen is known as
blagie [28]

Answer:

vaccination

Explanation:

The vaccination has been one of the most revolutionary inventions in the medical field. This invention helped protect people from numerous diseases, some being totally neutralized, while some having only minor effects on the human body. The vaccination basically is a way of enhancing the immune system of the body by injecting in it a weakened form of the pathogen. In this way, the weakened form of the pathogen is not capable to harm the body, and the body is not fighting against it, but instead the pathogen becomes part of the body and its defense mechanism, so when the pathogen strikes, the body has a counter attack and defeats it.

3 0
3 years ago
A heterozygous dominant green pea plant is crossed with a homozygous recessive yellow pea plant.
iren [92.7K]

Answer:

3 choice

Explanation:

cause i know.

6 0
3 years ago
Deforestation is a source of anthropogenic, or human caused carbon dioxide emissions because cannot consume carbon dioxide molec
Roman55 [17]

Answer:

<h2>Carbon is the chemical backbone of life on Earth. Carbon compounds regulate the Earth’s temperature, make up the food that sustains us, and provide energy that fuels our global economy. </h2><h2 /><h2>The carbon cycle. </h2><h2>Most of Earth’s carbon is stored in rocks and sediments. The rest is located in the ocean, atmosphere, and in living organisms. These are the reservoirs through which carbon cycles. </h2><h2 /><h2>NOAA technicians service a buoy in the Pacific Ocean designed to provide real-time data for ocean, weather and climate prediction. </h2><h2>NOAA buoys measure carbon dioxide </h2><h2>NOAA observing buoys validate findings from NASA’s new satellite for measuring carbon dioxide </h2><h2>Listen to the podcast </h2><h2>Carbon storage and exchange </h2><h2>Carbon moves from one storage reservoir to another through a variety of mechanisms. For example, in the food chain, plants move carbon from the atmosphere into the biosphere through photosynthesis. They use energy from the sun to chemically combine carbon dioxide with hydrogen and oxygen from water to create sugar molecules. Animals that eat plants digest the sugar molecules to get energy for their bodies. Respiration, excretion, and decomposition release the carbon back into the atmosphere or soil, continuing the cycle. </h2><h2 /><h2>The ocean plays a critical role in carbon storage, as it holds about 50 times more carbon than the atmosphere. Two-way carbon exchange can occur quickly between the ocean’s surface waters and the atmosphere, but carbon may be stored for centuries at the deepest ocean depths. </h2><h2 /><h2>Rocks like limestone and fossil fuels like coal and oil are storage reservoirs that contain carbon from plants and animals that lived millions of years ago. When these organisms died, slow geologic processes trapped their carbon and transformed it into these natural resources. Processes such as erosion release this carbon back into the atmosphere very slowly, while volcanic activity can release it very quickly. Burning fossil fuels in cars or power plants is another way this carbon can be released into the atmospheric reservoir quickly.</h2>

Explanation:

8 0
3 years ago
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