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poizon [28]
2 years ago
6

Please Please Please Help!!!!!

Biology
1 answer:
elena-14-01-66 [18.8K]2 years ago
6 0

Answer:

donator

national Africa

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Whta is fetilisation and what are the types of fertilisation
uysha [10]
The action or process of fertilizing an egg, female animal, or plant, involving the fusion of male and female gametes to form a zygote. The gametes that participate in fertilisation of plants are the sperm (male), and the egg cell, and in flowering plants a second fertilisation event involves another sperm cell and the central cell which is a second female gamete. In flowering plants there are two sperm from each pollen grain.
6 0
3 years ago
You inoculate two tubes of liquid culture medium with 100 bacterial cells and incubate one tube at 37°C and the other at 55°C. A
Nady [450]

Answer:

thermophile.

Explanation:

A thermophile is a kind of bacteria that belongs to the Archaea Domain and they are the kind of animals that can live in a region of high or extreme temperature. There has been a research on a kind of thermophile which is known as Methanopyrus kandleri which can exist in an extreme temperature of up to 500° C.

So, if we take a look at the question again we can see that after 48 hours and at 37°C 20,000 bacteria per milliliter are already in the tube and at more higher temperature of 55°C we have 1,568,000 bacteria per milliliter which means that at higher temperature more of the bacterial is produced.

5 0
3 years ago
An ___ ___ is observed due to the unequal transport of charge by a transport mechanism that occurs across a plasma membrane.
insens350 [35]

Answer:

An electrogenic effect

Explanation:

An electrogenic transport is a process where there is a translocation of net charge across the membrane. E.g of electrogenic channels are Na+, K+, Ca2+, and Cl− channels.

7 0
3 years ago
In the polymerization in vitro of actin filaments and microtubules from their subunits, what does the "lag phase" correspond to?
nalin [4]

Answer:

Nucleation

Explanation:

The first step of formation of new phase, structure or self-assembly is called as Nucleation.

It is mentioned in the book of Molecular Biology of the Cell that whenever, In-vitro polymerization of micro-tubules and actin filament occur the first step is called nucleation. In other words Lag Phase.

Reference: Alberts B, Johnson A, Lewis J, et al. Molecular Biology of the Cell. 4th edition. New York: Garland Science; 2002. The Self-Assembly and Dynamic Structure of Cytoskeletal Filaments.

4 0
3 years ago
You are given a task to produce massive quantities of Protein A from soybean so that the Protein A can be added to a mixture to
kiruha [24]

Producing 100 kg of protein A requires calculating the necessary amount of soy, calculating the necessary inputs, looking for related information, and supervising the process.

To produce 100 kg of protein A with soybeans, I must look for information related to the cultivation of soybeans, what is the protein concentration in a soybean, and other aspects necessary for its maintenance and harvest.

In this search, I find that soy has a protein concentration of 50% or higher, so if I have to get 100 kg of protein, I must get at least 200 kg of soy.

So I grow some soybean plants in pots inside my house and I harvest their grains until I complete 200kg, supervising the whole process so that the plant does not suffer any disease or problem.

Learn more in: brainly.com/question/14824019

7 0
3 years ago
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