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
White raven [17]
2 years ago
11

The sharp, inch-long thorns of the crown-of-thorns sea star are its spines. These spines, unlike those of most other sea stars,

contain a potent toxin. If it were discovered that crown-of-thorns sea stars do not make this toxin themselves, then the most likely alternative would be that this toxin is _____.
A) derived from the nematocysts of its prey
B) absorbed from the surrounding seawater
C) an endotoxin of cellulose-digesting bacteria that inhabit the sea star's digestive glands
D) injected into individual thorns by mutualistic corals which live on the aboral surfaces of these sea stars
Biology
1 answer:
vitfil [10]2 years ago
5 0

Answer:

The answer is A) derived from the nematocysts of its prey.

Explanation:

Sea stars mostly eat cnidarians (mollusks) which can contain a large number of nematocysts in their bodies. Therefore it would be possible that this toxin is absorbed from the prey.

You might be interested in
The two sides of the DNA ladder are connected down the middle by many _______ bonds. *
daser333 [38]

Answer:

non-covalent hydrogen bonding between paired bases :)

Explanation:

have a wonderful weekend stay safe!

4 0
3 years ago
Read 2 more answers
Compare and contrast optical and radio telescope
Umnica [9.8K]

Hallo~~~

When comparing optical and radio telescopes, we know that both of these telescopes detect a certain band of the electromagnetic spectrum.

When contrasting optical and radio telescopes, we know that optical telescopes have higher equipment (polished mirrors, accuracy), and that they depend on weather. Radio telescopes have lower equipment (less precise reflectors), and depend on diff. things such as thermal radiation and man-made emissions.

4 0
3 years ago
What general type of mutation has the greatest effect on the protein produce
Lyrx [107]

Answer: The most serious of these mutations will be the insertion of 2 bases. Becasue the genetic code is read in triplets, a 2 base insetion will alter the reading frame of the code causing a frameshift mutation meaning every amino acid after the site of the mutation will be incorrect.

8 0
3 years ago
Describe what happened when Mendel crossed purebred tall pea plants with short pea plants
Tomtit [17]
He found that the recessive trait such as the short plants disappeared, but only the dominent trait stayed which is tallness. When he allowed them to self pollinate, the recessive gene which is the shortness reappeared.
8 0
3 years ago
Which best describes genetic engineering?
inysia [295]

Answer:

The correct answer would be a. Fragments of DNA that have desired genes are isolated to form recombination DNA for use in a host. Genetic engineering refers to the direct manipulation or modification of the desired gene in a cell in order to produce novel or improved organism.

Explanation:

6 0
2 years ago
Read 2 more answers
Other questions:
  • Which statement BEST explains how RNA polymerase knows where to start and stop making an RNA copy of DNA?
    10·1 answer
  • In a eukaryotic cell, protein synthesis occurs in the
    10·2 answers
  • True or false? progressive muscular relaxation is not recommended for people suffering with the chronic pain of tmj.
    12·1 answer
  • Which examples show repair or replacement of damaged cells?
    11·2 answers
  • What is the function of a cilia on a sponge larva?
    10·2 answers
  • The spindle apparatus disintegrates during _____. anaphase telophase interphase metaphase
    8·2 answers
  • Which of the purely endocrine organs contain modified neurons that produce and secrete neurohormones?
    14·1 answer
  • 11. What are the potential impacts of climate change on Central America? increase rates of skin cancer on indigenous people inte
    8·1 answer
  • The cell membrane regulates what enters and leaves the cell, only allowing
    15·2 answers
  • How can algal blooms be
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!