Which would probably have the greatest effect on a protein's function—a change to the primary, secondary, or tertiary structure? Explain your answer.

Answer:

There are 20 different standard L-α-amino acids used by cells for protein construction. Amino acids, as their name indicates, contain both a basic amino group and an acidic carboxyl group. This difunctionality allows the individual amino acids to join in long chains by forming peptide bonds: amide bonds between the -NH2 of one amino acid and the -COOH of another. Sequences with fewer than 50 amino acids are generally referred to as peptides, while the terms, protein and polypeptide, are used for longer sequences. A protein can be made up of one or more polypeptide molecules. The end of the peptide or protein sequence with a free carboxyl group is called the carboxy-terminus or C-terminus. The terms, amino-terminus and N-terminus, describe the end of the sequence with a free α-amino group.

The amino acids differ in structure by the substituent on their side chains. These side chains confer different chemical, physical, and structural properties to the final peptide or protein. The structures of the 20 amino acids commonly found in proteins are shown in Figure 1. Each amino acid has both a one-letter and three-letter abbreviation. These abbreviations are commonly used to simplify the written sequence of a peptide or protein.

figure1-Protein-Structure

Depending on the side-chain substituent, an amino acid can be classified as being acidic, basic or neutral. Although 20 amino acids are required for synthesis of various proteins found in humans, we can synthesize only ten. The remaining 10 are called essential amino acids and must be obtained in the diet.

The amino acid sequence of a protein is encoded in DNA. Proteins are synthesized by a series of steps called transcription (the use of a DNA strand to make a complimentary messenger RNA strand – mRNA) and translation (the mRNA sequence is used as a template to guide the synthesis of the chain of amino acids which make up the protein). Often, post-translational modifications, such as glycosylation or phosphorylation, occur which are necessary for the biological function of the protein. While the amino acid sequence makes up the primary structure of the protein, the chemical/biological properties of the protein are very much dependent on the three-dimensional or tertiary structure.

A change to the PRIMARY structure WILL HAVE the greatest effect on a protein's function.

In conclusion, a change to the PRIMARY structure WILL HAVE the greatest effect on a protein's function.

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Part B
Locate the lines of longitude that run from north to south, or vertically, on the map ©. Then answer the following
questions.
Question 1
What is the alternate name for 0° longitude?

Tina-Marie accidentally left her water bottle outside on a freezing, winter night. The next day, the water bottle, which is now filled with ice, ruptured. Based on her observations, Tina-Marie forms a hypothesis about freezing water and volume. Identify a hypothesis Tina-Marie can investigate. Then describe an experimental procedure for investigating the hypothesis.

3. Which tenet of the cell theory is being demonstrated by the graph below?

O Cells are the smallest unit of life
All living things are made of cells
Cells come from existing cells
Cells can never be destroyed

How might scientific knowledge about monoculture farming affect societal decisions? Please be sure to answer in complete sentences.

Overuse injuries are a common issue many athletes and even everyday people face. I want you to research what an overuse injury is. What is an overuse injury? What causes overuse injuries? What are some symptoms that might be warning us that an overuse injury might occur? Are there any long-term consequences if we ignore these symptoms? How can we prevent it? What are some common overuse injuries? These are some suggestions about what you can research. I want 3 paragraphs due by the end of the day tomorrow.

Define regulating services in your own words

define providing services in your own words

describe 3 ways our body is trying to maintain homeostasis while running

Which correctly lists the three features of Earth that are the main types of landforms?

A. hills, valleys, and plateaus
B. lakes, valleys, and mountains
C. mountains, plains, and plateaus
D. plains, lakes, and hills

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Which of the graphics best represents an animal cell? !!!THIS IS URGENT!!!​

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Which health issue can be caused directly by a mutation resulting in a continuously growing and dividing cell?

A starch molecule is like a:

Knowing what you know about how a substance travels in diffusion, in
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blood. *
A.higher
B.Lower

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Which characteristic makes a cell membrane selectively permeable?

the thickness of the membrane
the chemical nature of the membrane
the rigid nature of the membrane
the smooth outside of the membrane

Which of the following comparisons is ACCURATE?
Carbohydrates and lipids contain the same elements in different ratios or
proportions.
Lipids and nucleic acids are both built from amino acids.
Proteins are built of nucleic acids and DNA is built of amino acids.
Saturated fats are another name for polysaccharides.

A person is admited into the hospital an unknown ailment. The patient is seen by Triage and immediately put on intravenous liquid or more commonly known as an IV by a brand new nurse
Unfortunately for the patient the nurse did not property prepare the IV and hooked the patient to an IV fluid line consisting only of distilled water.

What will mostly likely occur to this patient’s red blood cells if the IV dispenses its contents in its totality?

A) The environment in the patient’s blood will be isotonic if the cells and their environment have reached equilibrium, cells will remain the same size.

B) The environment inside and outside the patient’s cells will be isotonic and may cause the cells to burst.

C) The environment around the patients cells will be hypotonic and cause the cells to shrink.

D) The environment inside the patient’s cells will be hypertonic and may cause the cells to burst.

Question 1 of 25
An engineer is designing a tire for heavy machinery, Which statement
describes the clearest constraint that applies to the solution?
A. It must be affordable for consumers.
B. It must be designed so that it has an appealing appearance,
C. It must cost the consumer less than $200 per tire.
D. It must function safely under a heavy load,

Is it possible for you to be more related to one grandparent than another?

HELP ANSWER NEEDED!! BEFORE 3:00!!

An independent variable is-

What are genetic variations? First answer gets brainliest! Please help

Which of the following is the most likely reason the Moon can NOT support life?
А
It has many craters, indicating that it has an atmosphere too weak to protect life
B
It has many craters, indicating that is has a magnetic field too powerful for life.
С
It has many dark spots, indicating volcanic activity too extreme for life.
D
It has many light spots, indicating frozen ice that is too cold for life.

Which defines a biome as a desert

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flow in your own words?

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What is a small ecosystem in danger of compared to a large and diverse ecosystem?