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Rasek [7]
3 years ago
7

Visit the website below and use the information to answer the question that follows. On the About Forensic DNA tab, read the sec

tions titled “About Forensic DNA” and “Basics of DNA Typing.” DNA Evidence Basics How can DNA be used to help solve a crime?
Biology
2 answers:
oee [108]3 years ago
7 0
Each person’s DNA is unique.Scientists use variable regions in DNA to create  DNA profile.<span>DNA samples can be taken from blood, bone, hair, or other body tissues and
products.</span>DNA from a crime scene can be compared to DNA from a suspect.DNA typing can be used to solve old cases.  this is what you need to write.

Naddika [18.5K]3 years ago
3 0

Answer:

Each person’s DNA is unique.Scientists use variable regions in DNA to create  DNA profile.DNA samples can be taken from blood, bone, hair, or other body tissues and

products.DNA from a crime scene can be compared to DNA from a suspect.DNA typing can be used to solve old cases.  this is what you need to write.

Just took the test

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Explain how interspecific competition may lead to resource partitioning, providing an example.
tangare [24]

Answer:

Interspecific competition is a competition between two species for obtaining the same resource. For example, lion and leopards are cat species but feed on the same prey so they compete for the same resource.

Interspecific competition may lead to resource partitioning through the change in their niche by one species to avoid interspecific competition.  

For example, <em>Anolis evermanni</em> and <em>Anolis gundlachi</em> are two species of lizards live on Puerto Rico island and compete for the same resource i.e., insects so to avoid interspecific competition they did the resource partitioning.

Anolis gundlachi feeds near the ground and  Anolis evermanni prey on upper branches of trees so in this way they avoid competetion.

3 0
3 years ago
Why do phospholipids form a bilayer in water?
snow_lady [41]

Answer: Phospholipids have hydrophobic (water fearing) tails which face each other to form the core of the bilayer while their polar (hydrophilic) head groups face outward.

Explanation: Phospholipids are components of cell membrane. Phospholipids are made up of two parts: the polar (hydrophilic) head group and the nonpolar (hydrophobic) tail. The non polar tails of the Phospholipids are water fearing while the polar head groups are water loving, therefore when phospholipids are mixed with water the hydrophobic tails arrange themselves in a way that they will not come in contact with water molecules. The hydrophobic regions of the lipids face each other forming the interior of the bilayer while the polar head groups face outwards interacting with the surrounding water.

6 0
4 years ago
What are three adaptions that frogs have
Colt1911 [192]
 They are cold blooded
They respire both by Skin and lungs. 
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4 0
3 years ago
All life must maintain an internal balance, despite environmental changes.
77julia77 [94]
Homeostasis is the answer
8 0
3 years ago
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Which of these has a warming effect on Earth? O A. More evaporation of water due to warmer temperatures causes low, thick clouds
Phoenix [80]

Answer:

A

Explanation:

Thick clouds can trap lots of heat. This has a warming effect on earth.

4 0
3 years ago
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