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
ZanzabumX [31]
3 years ago
12

When a student adds a few drops of diluted picric acid to a paramecium slide, he observes that the paramecium releases some tran

sparent spine-like projections to protect its body from the acid. What is the significance of these projections?
a. The projections are trichocysts, released for the self-defense of the paramecium.
b. The projections are pseudopodia, released for the locomotion of the paramecium.
c. The projections are cilia, released for the locomotion of the paramecium.
Biology
2 answers:
Alisiya [41]3 years ago
8 0

Answer is a. he projections are trichocysts, released for the self-defense of the <em>Paramecium</em>.

When <em>Paramecium</em> is stimulated by chemicals such as picric acid or an injurious enemy, it responds by throwing out transparent spine-like projections called trichocysts. The discharge of trichocysts forms an effective barrier round the animal and protects it from acid or enemy.

MatroZZZ [7]3 years ago
3 0
<span>The projections that are released to protect its body from the acid are trichocysts. These trichocysts are released for the self-defense of the paramecium.</span>
You might be interested in
Reptiles are better suited to dry land than their amphibian ancestors because
Vaselesa [24]

Answer:

<u><em>All of the above.</em></u>

Explanation:

1. Their watertight skin minimizes moistures loss: <em>Reptiles have a reputation that they are “slimy” when we touch and hold them; however, they have dry skin, which has even fewer glands than mammals or amphibians. The main special feature of their skin is that the epidermis is heavily keratinized with a layer, which also prevents water loss.</em>

2. Amphibians must lay eggs in water or in moist soil to reduce moisture loss: <em>Because amphibian eggs don't have an amnion, the eggs would dry out if they were laid on the land, so amphibians lay their eggs in water.</em>

3. Reptile egg shells are harder than amphibians' eggs: <em>Reptile eggs are coated with a leathery or brittle coating, and the animals that hatch from them are miniature versions of the full-sized animal parent. In contrast, amphibian eggs are transparent and jelly-like. The animals that hatch from them still must go through metamorphosis.</em>

<u><em>Hope this helps you have a better understanding:) !!</em></u>

7 0
2 years ago
What is the minimum dose that results in reddening of the skin?
elixir [45]
The correct answer to your question would be Erythema, I hope this is correct and helps you out.
3 0
3 years ago
If the motion of the particles in the
melamori03 [73]

Answer:

Go down

Explanation:

Because the motion of the particle in the room stop

7 0
3 years ago
Rupert is studying two different cells. His professor asks him to determine which cell is a plant cell and which is a fungal cel
ch4aika [34]
A-The composition of their cell walls

Explanation: plant cell walls components is glucose. Fungi cell will components is chitin
4 0
3 years ago
1. Conduct Research Compare the Yellowstone wolf story with a situation in your
USPshnik [31]

Answer:

I can handle this task.

Explanation:

I have just tried to research on this.

+1 (678) 403-7641

3 0
3 years ago
Other questions:
  • Depress inhibitory parts of the brain, leading to disinhibition or relaxation and talkativeness that can give way to recklessnes
    7·1 answer
  • A gene has the base sequence TAC CG. Give an example of a point mutation on this gene.
    14·1 answer
  • If you were to extend the prim meridian from point O to the equator how many degrees longitude would it be and what would thus l
    8·1 answer
  • Convert 40 km to _____________m.
    11·1 answer
  • C₄ plants differ from C₃ and CAM plants in that C₄ plants _____. a. transfer fixed carbon dioxide to cells in which the Calvin c
    11·1 answer
  • Which part of the female reproductive system is highlighted below?
    12·2 answers
  • 1. The insertion site for the sternocleidomastoid is
    13·2 answers
  • Q2. Fill up:
    14·1 answer
  • 1. Sensation is to as perception is to a. vision, olfaction b. conscious, unconscious c. awareness, interpretation d. taste, vis
    5·1 answer
  • If one of the pedestrian deaths is randomly selected, find the probability that the pedestrian was not intoxicated or the driver
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!