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Rus_ich [418]
3 years ago
11

What is the creative development of science to solve problems or make tasks easier called?A.Government regulationsB.Scientific f

indingsC.TechnologyD.Funding
Biology
1 answer:
Aleksandr [31]3 years ago
3 0
C) technology is the answer
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A biologist at a highly prestigious biology conference presented an informative speech on how DNA in genetics works. All audienc
Arada [10]

The question is incomplete as it does not have the options which are:

A. novelty

B. creativity

C. consensus

Answer:

A. novelty

Explanation:

Novelty refers to a qualitative identity that is used to represent the new ideal things or some fresh and refreshing ideas.

In the given question, the person who was presenting about the idea of How DNA works in genetics? failed to present something new about the DNA and just presented what was already known to the audience.

Since the presenter failed to express the new ideas in his presentation about the DNA that is no novel ideas were presented therefore the audience started to leave the presentation.

Thus, Option-A is correct.

3 0
3 years ago
A spectacular marine animal has a network of glassy spicules that forms a sac-like structure. This animal does not have true tis
PolarNik [594]

Answer:

Sponges use <em><u>choanocytes</u></em> or <em><u>flagellated channels</u></em> to get nutrients from the feeding cells to other parts of their body.

Explanation:

Sponges are marine animals with a sac-shaped body. The epidermis is composed of polygonal flat cells called pinacocytes and pores protected by porocytes. Under the epidermis, there is a protein matrix called mesenchyme, which is composed of spicules and <em><u>amibocytes</u></em>. By the interior side of the sponge, there are the<em><u> choanocytes</u></em>. These are ovoid cells that can be shaping the spongocoele (internal cavity of the sponge), with an extreme attached to the mesenchyme and the other extreme projected to the spongocoele, or can be grouped in spaces called <em><u>flagellated channels</u></em>.

These animals depend on water to get oxygen and food to the inside of the sac and take excrements and reproductive cells to the outside. Sponges <em>feed on small detritus particles and suspending organisms</em> that get near the animal by water streams produced by choanocytes.

Particle size is essential. Only the small ones can get through the flagellated channels, where they get stuck to the choanocytes and are encapsulated by the cells. If the choanocytes are too small, the particle is transferred to the amibocytes for digestion. These last ones also act as food storages. Excrement products are dragged by a water stream.  

 

5 0
3 years ago
Cell cycle checkpoints are an important feature of a dividing cell to reduce errors that can occur in various stages of the cell
saveliy_v [14]

Loss of Rb, an important part of the G1-S transition checkpoint, can result in uncontrolled cell cycle progression and cancer. All of the following would mimic loss of Rb except constitutively active Ras GTPase activating protein. Correct answer: letter E.

Constitutively active Ras GTPase activating protein would not mimic loss of Rb, because it would not directly result in uncontrolled cell cycle progression.

<h3>What is Retinoblastoma (RB)?</h3>

Rb is an important tumor suppressor protein that works to inhibit cell cycle progression by preventing the activation of E2F transcription factors. Constitutively active Ras GTPase activating protein would not directly interfere with the Rb-E2F pathway, which is necessary for uncontrolled cell cycle progression and cancer.

Learn more about the cell cycle:

brainly.com/question/2457509

#SPJ4

4 0
1 year ago
The law of_____
Marta_Voda [28]

Answer:

The correct answer is - segregation.

Explanation:

The law of segregation states that out of two factors or alleles of a gene located in an organism, only one allele or factor is distributed to each sperm cell or egg cell (gamete) randomly, So, the segregation of the alleles are random and only one allele is distributed to each gamete according to this law.

The law of segregation helps in making a different combination of alleles in a particular species or population and leads to variation in genetics. It makes sure that traits distribute to each generation randomly.

5 0
2 years ago
Which keystone species feed on other animals and prevent them from damaging the ecosystem?
Naddika [18.5K]

D.  Predators

Predators keep populations of other species in check.  This was pretty clearly demonstrated in Yellowstone National Park after the wolves were eradicated there.  The deer populations increased to the point that the aspen trees nearly disappeared due to the saplings' being eaten by deer.  Since the reintroduction of wolves to the park, the aspen trees have begun to flourish once again.

5 0
3 years ago
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