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MissTica
2 years ago
9

An unknown chemical is analyzed and found to contain the bases thymine and guanine. This chemical is most likely tRNA. mRNA. DNA

. rRNA.
Biology
1 answer:
Verdich [7]2 years ago
7 0

Answer:

DNA

Explanation:

Thymine is one of the four nucleobases that pairs with adenine to make up DNA, also called 5-methyluracil. It is replaced by uracil to make RNA molecules during transcription.

Theferore the unknown chemical analyzed was DNA because thymine is found in DNA and not in RNA molecules.

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For each food listed below choose whether it has it all single carbon to carbon bonds or at least one double carbon to carbon bo
RSB [31]

Answer:

                                                                                                                              Peanut butter            

All single carbon-to-carbon bonds

                                                                                                                    Sunflower oil  

At least one double carbon-to-carbon bond

                                                                                                                                Cheddar cheese  

All single carbon-to-carbon bonds

Explanation: I did it on Edge 2020 and it was correct.

8 0
2 years ago
As a rat is taking a drink of green, licorice-flavored water, it receives a painful tail-pinch. The next day it is given a choic
Pavlova-9 [17]

Answer:

The rat will most likely take more of the licorice flavored water

Explanation:

The rat will take more keen on taking more of the licorice flavored water than green water because it has associated the taste of the green water with painful pinch it received on the tail, causing it to refrain the next time it has a choice.

In behavioral psychology, animals are known to tie their actions to either pleasurable or painful feelings. Naturally, the behavior of every animal is conditioned in such a way that it seeks pleasure and avoids pain.

Once the rat begins to associate the taste or sight of the green water with pain, it abstains.

3 0
1 year ago
Which statement about DNA replication is FALSE?
Alexandra [31]

Answer:

C. DNA ligase adds nucleotides to the lagging strand

Explanation:

DNA replication is the process during cell division in which DNA copies itself. DNA strands unwind with the help of helicase to initiate the process. DNA Polymerase III is responsible for prokaryotic replication and adds nucleotides in 5' to 3' direction. Since both the strands of DNA run in opposite direction their replication is slightly different. The lagging strand is also formed by DNA Polymerase III in discontinuous manner leading to formation of Okazaki fragments. DNA ligase joins these fragments once the replication process is completed.

5 0
2 years ago
The most productive marine habitats are in the open ocean. Please select the best answer from the choices provided T F
ahrayia [7]
I believe it is fale because the most productive ocean systems tend to be coral reef which are close to shore not in open ocean
3 0
1 year ago
Read 2 more answers
Check your understanding
wel

The fraction of offspring with black coat color and straight fur is 9/16.

Explanation:

Information given:

black coat colour and straight fur - dominant genotype BBCC, BbCc

yellow coat colour and curly fur - recessive genotype  bbcc

Both the traits are independently assorted. The fur colour and fur type is not present on the same chromosome and are not sex linked.

The genotype of the parents are:

BbCc X BbCc

Punnet square shows:

          BC           Bc          bC        bc

BC  BBCC   BBCc        BbCC   BbCc

Bc  BBCc   BBcc          BbCc    Bbcc

bC BbCC    BbCc         bbCC   bbCc

bc  BbCc      Bbcc         bbCc    bbcc

9 BLACK STRAIGHT

 3 BLACK CURLY

 3 YELLOW STRAIGHT

  1  YELLOW CURLY

9/16 is the fraction of progeny to be black coat colour and straight fur.

5 0
1 year ago
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