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
sweet [91]
2 years ago
15

A scientist discovers that a soil bacterium he has been studying produces an antimicrobial that kills gram-negative bacteria. Sh

e isolates and purifies the antimicrobial compound, then chemically converts a chemical side chain to a hydroxyl group. When she tests the antimicrobial properties of this new version, she finds that this antimicrobial drug can now also kill gram-positive bacteria. The new antimicrobial drug with broad-spectrum activity is considered to be which of the following?
resistant
semisynthetic
synthetic
natural
Biology
1 answer:
scoray [572]2 years ago
3 0

Answer:

semisynthetic

Explanation:

Broad spectrum antibacterials are active against the Gram-negative and Gram-positive organisms.  

For example phenicols,  tetracyclines .

Semisynthetic drugs -

As known as the partial chemical synthesis , it is a type of chemical synthesis that uses chemical compounds which are isolated from any natural source .

Semisynthesis is a cheaper method , as the initial substance is extracted from nature and rest few steps require chemical , which make it cheap and quicker process of drug synthesis .

You might be interested in
In order to determine whether a cell contains mitochondria a scientist should
Shalnov [3]
Use a light microscope
5 0
2 years ago
Over time what could happen to an underwater island that forms near a mid-ocean-ridge
Semenov [28]
The plates will move and the underwater island will start to move and shift. It's possible it will also weather
7 0
3 years ago
Picture a person standing with a drawn bow and arrow. He is aiming it at a bull's eye target. What type of energy is being descr
Kazeer [188]
This is potential energy because while he was aiming at a bull's eye target, he is storing energy
7 0
3 years ago
Read 2 more answers
A liquid that is being heated at Lakesha's lab table catches fire. Which action should Lakesha take first?
BlackZzzverrR [31]
If their is a teacher or a Professor she should go there first if it’s a small fire she needs a fire blanket to take out small fire after reaching an adult
5 0
3 years ago
Read 2 more answers
During the drought of 1977 on the island of Daphne Major, which of the following answers correctly explains why birds with
Len [333]

Answer:

These birds with large beaks were better able to utilize the large seeds.(B)

Explanation:

8 0
2 years ago
Read 2 more answers
Other questions:
  • After a hypothesis has been repeatedly tested and becomes widely accepted, it is considered a?
    7·1 answer
  • Classify the following material as mineral, gem, ore, or none. some may have more than one answer.
    10·2 answers
  • 2. The mother is blood type O and the father is blood type A.
    10·1 answer
  • What most likely happened to stem cells grown on a hard, rigid surface?
    14·1 answer
  • Describe the differences between the sporophyte and gametophyte generations of seedless tracheophyte plants and be sure to discu
    6·1 answer
  • cell membranes are made of phospholipids which form a hydrophobic barrier. How does water pass through the cell membrane?​
    7·1 answer
  • Which reason best explains why dead specimens must be used with transmission electron microscopes
    12·1 answer
  • Compare the reproduction in Hydra and Amoeba?​
    11·1 answer
  • PLEASE HELP! WILL MARK BRANLIEST! The amount of carbon today is the exact amount that has always been on Earth. T or F
    6·2 answers
  • 20 POINTS!
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!