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Archy [21]
3 years ago
6

Article name:What is melanin and how does it affect our eye,skin and hair color? is in Newsela​

Biology
2 answers:
Yakvenalex [24]3 years ago
8 0

Answer:

melanin is the color or pigmentation in our bodies the amount helps determine skin color eye color and hair color

Explanation:

Meeting : 868 2051 4310

Passcode: zaddy

notka56 [123]3 years ago
3 0

Answer:

melanin affects how one looks (1st question)

cause and effect (2nd question)

Explanation:

for the 2nd question, its cause and effect because uv rays hit our skin and our skin is affected which gives us suntan.

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How do the two types of endoplasmic reticulum differ?
xxTIMURxx [149]

Hi!

The two types of endoplasmic reticulum are:

Rough Endoplasmic Reticulum RER

Smooth Endoplasmic Reticulum SER

The major difference between the two is the presence of ribosomes. The membrane of rough endoplasmic reticulum is bound by ribosomes, whereas the smooth endoplasmic reticulum is not bound by ribosomes.

Another difference lies in their function. RER is a storage house for proteins and is where the proteins are manufactured whereas SER is known for storing lipids and proteins both.

<h3>Hope this helps</h3>

5 0
3 years ago
Climax communties ______ communties that are undergoing primary succession.
Brut [27]
I think the answer is "ARE NOT"
8 0
3 years ago
Human egg and sperm are similar in that ________.a. they have the same degree of motilityb. they have the same number of chromos
daser333 [38]
Option b) It is because they have the same number of chromosomes.
5 0
4 years ago
How do you determine if<br> something is living
velikii [3]

Answer:

1. They have to be able to reproduce, either asexually or sexually.

2. They have to be able to respond to stimuli.

3. They have to have cells, either as a unicellular organism or as a multicellular organism.

4. They have to grow and develop.

5. They have to have homeostasis. This means that they can maintain their own body temperature. Think of this as a thermometer for the body.

6. The last thing is that all living things also have to be able to do is move.

Explanation:

3 0
3 years ago
Har Gobind Khorana and his colleagues performed numerous experiments translating synthetic mRNAs. In one experiment, an mRNA mol
Y_Kistochka [10]

Answer:

c) 3'-UGUGUGUGUGUGUGUG..-5

a) 3'-GUGUGUGUGUGUGUGU...-5

Explanation:

As you may already know, RNA is a single stranded molecule, unlike DNa which is a double stranded molecule. You should also already know that RNA is synthesized from one of the DNA strands, in a process called genetic transcription.

It is important to note that the ends of the DNA strands have "names", one end is called 5 'while the other end is called 3'. In DNA, the 5 'end of one is paired with the 3' end of the other strand. Both DNA and RNA are synthesized in the 5 '------> 3' direction of DNA. In the case of the RNA molecule, this means that the molecule synthesizes will have the ends of its strand formed in the 3 '----> 5' direction.

Accordingly, if an RNA strand is synthesized with a UG dinucleotide sequence, that strand may have the following orientations:

  • 3'-UGUGUGUGUGUGUGUG..-5
  • 3'-GUGUGUGUGUGUGUGU...-5
6 0
3 years ago
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