1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
solmaris [256]
2 years ago
10

In a topoisomerase reaction, the _____ is used as the first nucleophile and the _____ is used as the second nucleophile.

Biology
1 answer:
Alchen [17]2 years ago
8 0

Answer:

a. hydroxyle in tyrosine

b. 3' OH

Request: Please mark me as the Brainliest.

You might be interested in
Is an aphid a producer
Umnica [9.8K]
No, producers produce their own food like plants that use photosynthesis to produce sugar whilst aphids cannot produce their own food and have to feed of other plants.
5 0
3 years ago
Which of the following tags should be used to retrieve information from a
Viefleur [7K]

Answer:

<em>The correct option is A. Nucleotide sequence, human, hemoglobin</em>

Explanation:

If the segment of the DNA for the human gene is known then it will be very easy to find the gene on a database. The tags which should be used will be the nucleotide sequence, where the known sequence shall be mentioned.

Then we will choose the tag for the organism which is humans in this case. Then we will select the tag for the protein which is made by the nucleotide sequence, which is protein in this case. Hence, option A is the correct answer.

4 0
3 years ago
Above a continent, a warm air mass slowly passes over a cold air mass. As The warm air begins to cool, clouds form. What will mo
malfutka [58]
Next, after the clouds form, water inside the cloud condenses, forming rain. Is that okay?
7 0
3 years ago
Biologists use a ________ to illustrate evolutionary relationships between organisms and their ancestors.
Yuliya22 [10]
The phylogenetic tree is commonly used by biologists to study evolutionary relationships between organisms and their ancestors. To add up, it is a diagram that branches the "phylogeny" of a single organism which could be very significant and determining on how genetically different or similar they are to their ancestors.
4 0
3 years ago
Photosynthesis below using your notes. Then fill in the blanks in the sentence.
hram777 [196]

Answer:

Explanation:

Photosynthesis is the process by which plants, some bacteria, and some protistans use the energy from sunlight to produce sugar, which cellular respiration converts into ATP, the "fuel" used by all living things. The conversion of unusable sunlight energy into usable chemical energy, is associated with the actions of the green pigment chlorophyll. Most of the time, the photosynthetic process uses water and releases the oxygen that we absolutely must have to stay alive. Oh yes, we need the food as well!

We can write the overall reaction of this process as:

3 0
2 years ago
Read 2 more answers
Other questions:
  • Consider how lettuce or spinach placed in water becomes firm and crisp. Use what you have learned about cell membranes to explai
    10·1 answer
  • If only a single member of a pair of chromosomes is present in a cell, it is a _____ condition and is most likely a _____ cell.
    13·1 answer
  • How do diseases caused by bacteria and diseases caused by viruses react to antibiotics?
    5·2 answers
  • How are meiosis and mitosis different?
    11·2 answers
  • Which process is a common practice that has been used by farmers for hundreds of years to develop new varieties of plants and an
    13·1 answer
  • What method can help resolve problems logically
    5·1 answer
  • Which statement best describes how panting after running helps a person's body maintain homeostasis? EXPLAIN THE ANSWER
    5·2 answers
  • A cell is the basic unit of structure and function in living organisms. What would you call an organism made up of many cells?
    7·1 answer
  • Report about Reduce, Reuse, Recycle and example
    13·1 answer
  • What is an example of a codominate<br> phenotype?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!