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
Romashka-Z-Leto [24]
4 years ago
12

Many spirochetes are difficult to cultivate, so their classification is based on their A. morphology and ability to cause diseas

e.B. number of flagella.C. pattern of pili.D. number of chromosomes.
Biology
1 answer:
IgorLugansk [536]4 years ago
6 0

Answer: <em>A. Morphology and Ability to Cause Disease</em>

Explanation:

Spirochetes have a lot of requirements that make them a difficult organism to cultivate in traditional mediums, that's why previously they were classified base on their morphology (appearance) and if these organisms were able to cause disease in humans. The current Classification uses DNA studies like PCR to categorize the bacteria.

You might be interested in
Is the pit that marks where the umbilical cord was attached before birth?
liubo4ka [24]
The pit that marks the location of the umbilical cord after birth is known as the navel or belly button. All animals that grow placenta during fetal development will have a navel or belly button. The scientific name of the structure is the umbillicus. It can be a depression in some individuals or raised in others.
5 0
3 years ago
Why are channels through membranes so important for nerve and muscle function? both nerves and muscles rely on the rapid transmi
neonofarm [45]
Important muscle electrical signals is the movement of charged material (ions) across cellular membranes in a limited area
8 0
3 years ago
The genotypes of the parents to whom this Punnett square applies are?
Olegator [25]

Answer

A.

Explanation:

All of them have an a and only two have a B. Thats my best guess

5 0
3 years ago
Help me please plssssssssssssss
Blababa [14]

Answer:

I think it's A but I could be wrong so really sorry if I am

3 0
3 years ago
What is the meaty tissue that surrounds bones? (I cannot remember the answer, and I cannot find the answer online, so help pleas
ZanzabumX [31]

Answer:

Periosteum.

Explanation:

Periosteum is an extremely thin region of non-calcified tissue on the exterior of bones. It covers the entire surface of every bone in the body, with the exception of the joint-forming ends of bones where cartilage forms the bone’s outer layer.

7 0
4 years ago
Read 2 more answers
Other questions:
  • Given the names of these three enzymes proteases, DNase, RNase what reaction do you expect each one to catalyze
    12·1 answer
  • Hi harshika<br>answer fast​
    10·1 answer
  • How many different types of gametes are produced from a plant with genotype yyss?
    11·2 answers
  • Which best matches the description with the genetic material? Nucleotides form a helical structure that is called a gene. Chromo
    6·2 answers
  • How do organ cultures differ from cell cultures?
    9·1 answer
  • Please help with this
    13·2 answers
  • What do homologous structures, vestigial and fossils provide evidence of
    8·2 answers
  • Which of these can a wave carry from one place to another?
    14·1 answer
  • The diagram shows a plant cell before and after it is placed in a solution. After the cell is placed in the solution it changes
    11·2 answers
  • In the nucleus, __________ tell cells what to do and how to change.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!