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nexus9112 [7]
2 years ago
5

Two well-understood sncrnas in eukaryotic cells are:

Biology
1 answer:
Nataly_w [17]2 years ago
3 0
Two well-understood sncRNAs in eukaryotic cells are:  microRNA and siRNA. SncRNAs are small non-coding RNAs with the main function in the regulation of different stages in gene expression. micro RNA are involved in RNA silencing (negative gene expression) and post-transcriptional regulation of gene expression(microRNA is complementary to a part of mRNA and can inhibit translation of that mRNA). siRNAs also <span>called</span> silencing RNA because of their possibility to inhibit translation by degrading mRNA after transcription.
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The flu vaccine (administered as a shot or a nasal spray) is made of a combination of the different types of influenza viruses t
Marat540 [252]

Answer:

This happens because viruses mutate and vary according to the environment they face. That is why different strains occur and appear every day, which must be updated in the vaccines, in order to have immunity up to date and keep up with the viral mutation without making us sick.

Explanation:

Viruses are acellular structures that do not have their own metabolism or replication method, it is because they must dominate and invade the human body so that its DNA or RNA is coupled to the human and this uses the human machinery to be able to replicate.

On the other hand, as infections occur and viruses appear, they can associate with bacteria forming bacteriophages, they can mutate within an organism that is infected by more than one viral infection and they can even adopt retrovirus mechanisms, which day by day. These new viruses are called as new strains, which evolve and will have to be coupled with vaccines.

Vaccines are a method of natural ACTIVE immunity, that is, part of the virus is inoculated, so that it generates the formation of a specific antibody in the body.

5 0
2 years ago
Pick twenty foods and research the amount of total carbohydrates, sugars, and other carbohydrates in them. Note: Most food label
Sedbober [7]

Answer:

Here is the list which provides food name along with their carbohydrate concentration.

1) Bread 1 slice provides about 10-20 gram of carbohydrates.

2 )½ cup of wheat Cream, cooked with water provides about 15 gram of carbohydrates.

3) 1 cup of cooked Pasta provides 45 grams of carbohydrates.

4) half cup of mixed Nuts provide 15  grams of carbohydrates.

5) Potato is starchy vegetable which in baked 6 oz provides 40 grams of carbohydrates.

6) Cow’s milk provide 12 grams of carbohydrates when 1 cup of it is administered.

7) Yogurt plain 1 cup provides  14 grams of carbohydrates.

8) Apple with size of tennis ball  1 medium  provides 15-30 grams of carbohydrates.

9) Apricots, dried 7 pieces provides 15 grams of carbohydrates.

10) Blackberries or blueberries provides  20 grams of carbohydrates when 1 cup of it is administered.

11) Banana 6”-9” provides 30-45 grams of carbohydrates.

12) Dried Dates i.e 5-6 dates provides 30 grams of carbohydrates.

13) Grapes 15 in number provides 15  grams of carbohydrates.

14) Melons with 1 cup provides 15 grams of carbohydrates.

15) Mango cubes ½ cup provides 15 grams of carbohydrates.

16) Orange 1 medium  sized about tennis ball provides 15 grams of carbohydrates.

17) French fries Small order provides 30 grams of carbohydrates.

18) Popcorn with 3 cups provides 15 grams of carbohydrates.

19) Barbeque sauce, 2 Table spoon provides 15 grams of carbohydrates.

20) 1 Tbsp of Honey  provides 15 grams of carbohydrates.

CREDIT: Zahidahmadkhantanoli

4 0
2 years ago
The land and water ecosystems that provide the resources that a person uses and that neutralize that person’s wastes is part of
Law Incorporation [45]
The correct answer should be D. ecological footprint

Biodiversity means having various species living together while habitat is a place of residence of species. Sustainability refers to the question whether or not something is ecologically sustainable.
7 0
2 years ago
Energy in ___ is absorbed by an electron in a photocenter. This energy is converted from light energy into chemical energy into
Savatey [412]

Answer:

Explanation:

Energy in _SUNLIGHT__ is absorbed by an electron in a photocenter. This energy is converted from light energy into chemical energy into kinetic energy as the energized electron is used in back to back REDOX reaction in the electron transport chain, ETC. The ETC creates _AN ENERGY GRADIENT__ which is used by the cell to power the formation of ATP. In _CYCLIC PHOSPHORYLATION__ (cyclic or noncylcic) the electron returns to the photocenter. In _NON-CYCLIC PHOSPHORYLATION__ (cyclic or non-cyclic), the electron reduces NADP+ to form _NADPH__.

Photophosporylation is the process of using light (photo) to produce ATP from ADP (phosphorylation i.e. addition of phosphorous). There are two types: cyclic and non-cyclic phosphorylation.

In non-cyclic phosphorylation, there are two photosystems (photocenter) involved, and electron is passed to NADP+.

In cyclic phosphorylation,  one photosystem is involved and the electron is not transferred to NADP+, it is circled back to the photosytem.

The reduced form of NADP+ is NADPH. (Remember that: reduction is defined as the addition of hydrogen)

8 0
2 years ago
If there was a fungicide that killed all fungi, make a prediction on how that would affect the ecosystem and eventually us human
marishachu [46]
Fungi is what decomposes things and puts nitrogen back into the ground. without the fungi plants would soon begin to run out of the nutrients they need. lack in vegetation would soon form. animals would then start to die of or migrate to different locations. so eventually you would begin to see less food and more wildlife in town because of the food shortage.
6 0
2 years ago
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