How does an allele cause a trait in an organism? O A. The allele is a code to form a type of gene. O B. The allele is used during transcription to make DNA. O C. The allele is used by proteins to create chromosomes. O D. The allele causes a certain type of protein to form. Is d right?

Answers

Answer 1
Answer:

Answer:

The correct answer is option D. The allele causes a certain type of protein to form

Explanation:

An allele does not form a type of gene but it is a variant or form of a gene itself that consists sequence of codes for a gene. Gene has two types of variants known as alleles in humans thus, humans called diploid organisms. Each gene has a certain number of an allele that leads to the specific type of protein by the process of gene expression.

Thus, the correct answer is - option D.


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Two scientists do not agree on which type of grocery bag is better for the environment. What is the most likely outcome of their disagreement? A. Both types of grocery bags will be discontinuedB. More studies will take place on the issue
C. Some decrease in interest in the issue
D. No future consensus among other scientists

Answers

I think the correct answer from the choices listed above is option B. When two scientist do not agree on which type of grocery bag is better for the environment, most likely, more studies will take place on the issue. This is because scientists will not stop researching on things until they something that they believe is possible. Hope this answers the question.

The most likely outcome of their disagreement is more studies will take place on the issue.

What is Disagreement?

A disagreement is known to be when two or more people are not at a consensus and thus there will be controversy or conflict.

Since there are Two scientists who may not believe in the same thing in regards to another, the most likely outcome of their disagreement is more studies will take place on the issue.

Learn more about disagreement from

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To perform active transport, cells use what ?

Answers

ATP, adenosine tryphosphat. And some kind of protein integral that placed in membrane

How is RNA different from DNA

Answers


DNA and RNA have completely different purposes in us. DNA stores and transfers genetic information (Eye and hair colour, skin colour, etc..). RNA codes amino acids and makes proteins. DNA is double stranded while RNA is single stranded. DNA uses adenine, thymine, cytosine, and guanine; while RNA uses adenine, cytosine, uracil, and guanine.
DNA is double stranded and RNA is single stranded.

What do birds have that distinguishes them from other organisms?a. Four-chambered he21
c. Amniotic eggs
b. Wings
d. Feathers

Answers

The answer is d. Feathers.

Feathers are epidermal growths characteristic only for birds and it is the trait that distinguishes them from the other organisms. 

The other three characteristics they share with other organisms:
- Four-chambered heart is a characteristic of crocodiles, birds, and mammals.
- Reptiles, birds, and mammals, belong to the group of Amniote, which means their eggs are amniotic. Amniotic eggs are either laid on land or retained inside the mother, unlike anamniotic eggs that are laid in the water.
- Wings are characteristic for birds and some mammals, such as bats. But their wings are analogues which mean they evolved independently.

Two eukaryotic proteins have one domain in common but are otherwise very different. Which of the following processes is the most likely to have contributed to this similarity? A) exon shuffling
B) gene duplication
C) histone modifications
D) random point mutations

Answers

Answer:

A) exon shuffling

Explanation:

Exon shuffling refers to the process of evolution of a new gene that consists of unique combinations of preexisting exons. These novel combinations of preexisting exons are formed when the interspersed repeats of introns of two different genes undergo the process of recombination.

The process of exon reshuffling is responsible for the presence of common domains between two otherwise different proteins of eukaryotes.

Example: Tissue plasminogen activator and epidermal growth factor are very different proteins but share the EGF domain.

Which ia a function of the plant cell wall

Answers

The main function of a plant cell wall is to protect the cell.

It prevents the cell from bursting