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
adelina 88 [10]
3 years ago
11

You test a strain of bacteria, Strain X with an antibiotic and all of the bacteria are killed. Overnight there is an accident

Biology
1 answer:
Kaylis [27]3 years ago
5 0

Answer: C. When they mixed, some of the bacteria from strain X obtained plasmids from strain Y, these plasmids gave them DNA that allowed  them to resist the antibiotic.

Explanation:

Conjugation is a mode of sexual reproduction used by some strains of bacteria to reproduce. In this the bacteria transfers the genetic material to another bacteria through direct contact. In this one bacteria act as a donor and another one act as a recipient.

The strain X which was affected by the antibiotic might have mixed with the strain Y, as a result of this strain X being not resistant with the antibiotic died. But when this bacterial strain got mixed with the strain Y, which is antibiotic resistant. The strain X might received the antibiotic resistant property from strain Y through sexual reproduction by the mode of conjugation. In this plasmid DNA transfer from strain Y to strain X, helped strain X to develop antibiotic resistance, and further helped strain X to survive.

You might be interested in
Here are some free points for yall
dmitriy555 [2]

Explanation:

Thanks very nice of you

6 0
3 years ago
Read 2 more answers
What are the physical properties of asteroids and comets?
makkiz [27]

Comets have tails asteroids don't.

Comets are made up of mostly ice.

Asteroids are made up of rock and debris.

5 0
3 years ago
Which best explains the difference between a ball-and-stick model of a chemical compound and a space-filling model?
Shalnov [3]

Answer:

Ball-and-stick models show the bonds between atoms, but not the relative sizes of the atoms. Space-filling models show the relative sizes of atoms, but not the bonds between atoms.

Explanation:

Chemically, it is hard to understand the complex structure and shapes of the atoms and molecules. For better understanding, scientists have different models that help show the molecules in different prospects. For example, ball-and-stick and space-filling models.

The ball-and-stick model shows the three-dimensional arrangement of atoms and bonds. This model has a limitation that the identification of atoms requires a key to color representations. This model also does not show the relative size of atoms.

The space-filling model shows a three-dimensional arrangement as well as the relative size between atoms. Bonding between atoms can sometimes be difficult to distinguish in this model.

8 0
3 years ago
Read 2 more answers
What is an important trait or skill for a scientist to have?
grin007 [14]
A avoidance of bias  hope this helps 


7 0
3 years ago
Read 2 more answers
Which term describes something that happens in female mammals
AlekseyPX
Term? Hmm if your talking about birth. The proper term would be fertilization
6 0
3 years ago
Other questions:
  • _____ phase is the period during the life of a cell between the end of mitosis and the synthesis of more genetic material. G0 ph
    9·1 answer
  • What does a population graph with j-curve show?
    13·2 answers
  • Which of these is the best reason for doing more background research after making an observation and before forming a hypothesis
    11·2 answers
  • The term homolougous means the same in greek how does this relate to a homolougous structure
    14·1 answer
  • In which phase of the cell cycle do cells grow and synthesize new protiens and organelles
    5·1 answer
  • Individual amoebae of the slime mold Dictyostelium discoideum aggregate to form a spore-producing fruiting body. Cheaters make s
    6·1 answer
  • How does the cardiovascular system interact with the repository system?
    9·1 answer
  • What are 2 characteristics of index fossils?
    13·1 answer
  • 2) what is an example of solute?<br><br> a) acetone<br> b) egg whites<br> c)water<br> d)sugar
    14·2 answers
  • Two sounds are described below:
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!