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Karolina [17]
3 years ago
11

What is long, thread-like extensions that grow from the protist to reach nutrients?

Biology
2 answers:
shtirl [24]3 years ago
5 0

Flagella or Flagellum for plural

Paraphin [41]3 years ago
5 0

Flagella

Protists such as Choanoflagellates (closet of all species) have flagella at one end of their single celled body. These flagella’s have several hair like structure which are dense and long and are known as microvilli.  The flagella act as a pump and forces water across the microvilli and the microvilli then filter out food particles from the water.

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mendel realized that the principles of probability could used to blank the results of genetic crosses.
Degger [83]
Hey my friend did this one on Answer.com 
<span>
Whenever Mendel performed a cross with pea plants, he carefully categorized and counted the many offspring. Every time Mendel repeated a particular cross, obtained similar results. For example, whenever Mendel crossed two plants that were hybrid for stem height (Tt), about three fourths of the resulting plants were tall and about one fourth were short. Mendel realized that the principles of probability could be used to explain the results of genetic crosses.</span>
7 0
3 years ago
Which of the following correctly shows one path that energy would flow through this ecosystem?
natulia [17]

Answer: g

Explanation:

6 0
2 years ago
Question: How are the biotic factors of an<br> aquatic ecosystem affected by algal blooms?
lilavasa [31]

Answer:

Algal blooms can reduce the ability of fish and other aquatic life to find food and can cause entire populations to leave an area or even die. ... Nutrient pollution fuels the growth of harmful algal blooms which have negative impacts on aquatic ecosystems.

Explanation:

4 0
3 years ago
In a humoral or antibody-mediated immune response, specific B cells are stimulated by Helper T cells to help transform into plas
steposvetlana [31]

Answer:

An important feature that B-cells must have in order to become plasma cells and synthesize antibodies is increased rough endoplasmic reticulum in order to have the surface area needed for antibody production (option A).

Explanation:

The transformation of B cells into plasma cells to produce antibodies is a well known function of lymphocytes related to the immune response. This leads to a series of structural transformations in order to performs their function.

The rough endoplasmic reticulum (RER) has the function of contributing to protein synthesis, in conjunction with the ribosomes that are attached to it and the information of the mRNA.

<em>One of the changes experienced by B cells in their transition to plasma cells is the availability of larger RERs, in preparation for antibody synthesis, formed mostly by proteins</em>.

Learn more:

Plasma cells and humoral immune response brainly.com/question/1512036

5 0
3 years ago
A dihybrid cross is performed between plants that differ in two Mendelian traits: Stem length (T or t) and flower coloration (R
Dahasolnce [82]

Answer:

A. 3/16

Explanation:

The four possible outcomes for Stem length are:

Tt, tT, TT and tt.

The dominant trait (tall stems) will manifest itself in 3 out of 4 outcomes, so its ratio is 3/4.

The four possible outcomes for flower coloration are:

Rr, rR, RR and rr.

The non-dominant trait (white flowers) will manifest itself in 1 out of 4 outcomes, so its ratio is 1/4.

Multiplying both ratios gives us the ratio of offspring that have tall stems and white flowers:

\frac{3}{4}*\frac{1}{4}=\frac{3}{16}

Therefore, the answer is A. 3/16

4 0
3 years ago
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