A DNA strand has the codon AAT. According to the chart, the corresponding messenger RNA codes for which amino acid?

Answers

Answer 1
Answer:

Answer:

Asparagine (symbol Asn)

Explanation:

In a gene, groups of three nucleotides (such as AAT) form codons that are read during translation, for the  synthesis of proteins.  The way codons are read can be found in a genetic code (attached here).

Before that, the DNA seuqences are transcripted to RNA sequences in order to be read and translated in the ribosome.

AAT (DNA sequence) will be transformed to  AAU during the transcription of DNA.  This is because during the transciption process all thymines (T) are replaced by Uracils (U).

In the genetic  code you can see that AAU is read as Asparagine.

Answer 2
Answer: Because Thymine is "replaced" with Uracil, the corresponding RNA Code for AAT would be UUA.

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Which of the following statements is true?Viruses are bigger than bacteria.
Viruses conduct cellular respiration like any other living organism.
Viruses have both RNA and DNA.
Viruses cannot be cultured on artificial laboratory media of any kind

Answers

Viruses cannot be cultured on artificial laboratory media of any kind.


Process of elimination,
--> Viruses are simpler than bacteria, therefore smaller (Can't be A)
--> Viruses don't contain organelles to conducted cellular respiration (Can't be B)
--> Viruses can only have either DNA or RNA, so when they enter a cell they either use reverse transcriptase or DNA replication, not both (Can't be C)

Therefore last answer is correct + I know that is the case

Answer:

Viruses cannot be cultured on artificial laboratory media of any kind.

Explanation:

After a sperm cell and an egg cell unite, _____ has occurred. asexual reproduction
fertilization
conjugation
pollination

Answers

In the sentence "After a sperm cell and an egg cell unite, _____ has occurred", the word that correctly completes the sentence is fertilization. Fertilization is the process in which two gametes (a sperm cell and an egg cell) unite. As the result of this process, zygote is created and the development of an embryo begins.

Answer:

Fertilization

Explanation:

hp this helps!

Which of the following accurately describes a step within transcription?A. DNA polymerase uses one strand of RNA as a template to put together nucleotides.
B. The RNA strand is produced within the cytoplasm.
C. The DNA strand is used as a template for which a complementary RNA strand can be produced.
D. The RNA strand forms a template by which DNA can be built

Answers

C. The DNA strand is used and RNA is produced

Smita observed the onion peel under microscope and noted the following observations. Lalitha marked the incorrect one. What is it? a. Uninucleated cell
b. No intercellular spaces
c. Irregular shape
d. Big vacuole

Answers

Answer:

C

Explanation:

Irregular shape

Most wind erosion is caused by _____.

Answers

most wind erosion is caused by abrasion. abrasion is the mechanical scraping of a rock surface by friction between rocks and moving particels during their transport by wind, gravity, waves, glacier, ect.

Which of the following features differentiates sporozoans from the other phyla of protozoans?

Answers

Firstwe have to know that sporozoans are a strictly parasitic protozoanthat are usually immobile. Of the following features the one thatdifferentiates protozoans from the other phyla of protozoa is:


Answer:A) Sporozoans lack locomotor organs.


Ihope this helps, Regards.