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kaheart [24]
3 years ago
10

All living organisms maintain a relatively stable internal environment through a process known as homeostasis. The human body, f

or example, tries to maintain a temperature of about 37 degrees Celsius. When it gets cold outside, how does your body respond in order to maintain homeostasis?
A.
shivering
B.
sweating
C.
heavy breathing
D.
swelling
Biology
1 answer:
aliina [53]3 years ago
4 0

Answer:

shivering

Explanation:

the movement of your muscles creates friction between them, which produces heat, thus warming our bodies up.

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What tragedy led to the formation of the Andrew "Red" Harris Foundation?
strojnjashka [21]

Answer:

Tragically, Andrew died after being struck by a boat while snorkeling on June 8, 2014. Andrew's family and friends formed the Andrew “Red” Harris Foundation to make sure he would not be forgotten and to build his legacy.

Explanation:

Hope this helps:)

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2 years ago
What is a trophic cascade?
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Trophic cascades are powerful indirect interactions that can control entire ecosystems
6 0
3 years ago
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QUESTION 1 (5 marks) A molecule of messenger RNA (mRNA) has just been synthesized and processed in the nucleus of human cell wit
Dmitry [639]

1) DNA Template strand: TACAATCGACCCATC. 2) Anticodon: AAU. 3) mRNA carries genetic information to build the protein. 4) 5 amino acids. 5) Amino acids: Met, Leu, Ala, Gly, Tyr.

1)

<h3>What is the template strand?</h3>

When the DNI molecule separates into two strands to form the transcription bubble, we can identify two separate segments:

  • The coding strand that goes in 5' to 3' direction
  • The complementary strand -template strand- that grows in 3' to 5' direction .

The template strand is the one that is going to be complemented by the mRNA.

mRNA ⇒ AUGUUAGCUGGGUAG

  DNA ⇒ TACAATCGACCCATC

Remember that pairs are as follows

<u>DNA    RNA</u>

T     →    A

A     →    U

G     →    C

<u>C     →    G   </u>

2)

<h3>What is an anticodon?</h3>

The anticodon is the sequence of three nucleotides that couples with the mRNA codon.

Each tRNA has two important sites. One of them is the anticodon that couples with the codon of the mRNA molecule. The other one carries the amino acid that is going to be addeded to the protein.

                              1st      2nd     3th     4th   5th

mRNA codons ⇒ AUG   UUA   GCU  GGG  UAG

tRNA anticodon ⇒         AAU

3)

<h3>What is translation?</h3>

Translation is the stage of protein synthesis during which mRNA carries genetic information needed to synthesize the new protein in the cytoplasm.

Steps,

1- The formed mRNA moves to the cytoplasm through the nucleus membrane pores.

2- Once in the cytoplasm, mRNA meets a ribosome, the primary structure for protein synthesis.

3- Ribosomes are organelles composed of the association of proteins with rRNA and tRNA. They can be found in the rough endoplasmic reticulum or floating in the cytosol.

4- While the ribosome reads mRNA strain from its 5' extreme to 3', tRNA adds the correct amino acids to build the polypeptide.

The function of mRNA during translation is to take genetic information needed to build the protein.

4)

<h3>How many amino acids are determined per codon?</h3>

Each codon codes for only one amino acid.

There are cases in which different codons code for the same amino acid, but a single codon always codes for one amino acid.

mRNA codons ⇒ AUG   UUA   GCU  GGG  UAG

Amino acids     ⇒ Met    Leu     Ala     Gly    Tyr

                                 1        2         3        4        5

This mRNA segment represents 5 amino acids.

5)

Amino acids     ⇒ Met    Leu     Ala     Gly    Tyr

You can learn more about translation at

brainly.com/question/16305501

brainly.com/question/25017567

#SPJ1

3 0
1 year ago
Write three observations that could help you identify a fish.
Alex
The three observations that could help an individual in distinguising whether the organism is a fish or not is that it should live under water as fish can't survive without water, another thing is that it should laid eggs when it comes to giving birth because when it does not lay eggs but produces a living organism normally without an egg, it is considered to be a mammal and lastly, the appearance it possess such as having gils or fins.
6 0
3 years ago
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The container below is separated into two sections by a semi-permeable membrane. Sugar molecules are too large to move across th
ELEN [110]

Answer:

b or c

Explanation:

The water will move to the section with lower water concentration until it is balanced, however, I don't know which section has the sugar and which has the water. a is wrong because the membrane is semi-permeable, so water can go through, and d is wrong because it is provided the sugar cannot move across the membrane. Hope this helps some :)

5 0
2 years ago
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