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ValentinkaMS [17]
4 years ago
5

Why is reproductive isolation required for speciation to occur?

Biology
1 answer:
Anarel [89]4 years ago
4 0

Answer:

a

Explanation:

If populations can interbreed, they are considered one species.

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HELP ASAP I WILL GIVE BRAINLIST!! Which of the following best defines the molar mass of a substance? (5 points)
dem82 [27]

Answer: Molar mass is defined as the mass in grams of one mole of a substance. The units of molar mass are grams per mole, abbreviated as g/mol.?

Explanation:

https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Book%3A_Introductory_Chemistry_Online_(Young)/04%3A_The_Mole_and_Measurement_in_Chemistry/4.2%3A_Molar_Mass Hope this helps :3

6 0
3 years ago
What is the nucleotide sequence of the dna strand that is complementary to 5'- atcgcaactgtcacta-3'? a 5'-tagcgttgacagtgat-3' b 5
hichkok12 [17]
The correct answer should actually be 3 TAGCGTTGACAGTGAT 5 but none you have given match. Hope this helps anyway need anymore help just ask :)
4 0
3 years ago
Select the correct answer,
Vlad1618 [11]

Answer:

A

Explanation:

insulin is released from pancreas when blood sugar level rises

3 0
3 years ago
Read 2 more answers
Cold sores on the skin of the mouth occur when herpes simplex viruses that are dormant in neural ganglia become active and trave
bekas [8.4K]

Answer:

Anterograde transport

Explanation:

Cells utilize tracks of microtubules in order to transport cellular cargo in either of two directions: anterograde and retrograde. Retrograde transport refers to motion from the periphery of the cell to the center, and is accomplished by the motor protein dynein. Anterograde transport refers to motion from the center of the cell to the periphery, and is accomplished by the motor protein kinesin. Speaking of herpes the virus is in the ganglia which can be considered as the inner or center location and the skin of the mouth would be considered the periphery.

In neurons, anterograde transport is especially important as it supplies vital proteins and vesicles to pre-synaptic junctions. In addition, anterograde transport is used in molecular biology to visualize entire neurons by injecting a marker into the cell body and allowing the cell to move it to the periphery. This technique, known as anterograde tracing, has been used to visualize the axonal projections of specific neurons.

Anterograde transport supplies distal axons with newly synthesized proteins and lipids, including synaptic components required to maintain presynaptic activity. Retrograde transport is required to maintain homeostasis by removing aging proteins and organelles from the distal axon for degradation and recycling of components.

8 0
3 years ago
You have just come back from a three-month long expedition in the Amazon rain forest. As you take off the hat you wore throughou
Nuetrik [128]
The answers are as follows:
1. The cell theory is the explanation about cells which all scientists all over the world as accepted as been correct. The theory gives explanation about the relationship between the cells and the living organisms. The theory has three main aspects, which are as follows:
1. All living organisms are made up of cells, the cell may be unicellular or multi cellular. 
2. The cell is the basic unit of life for all living things.
3. New cells usually come from the cells which are already existing.

2. Living cells usually control the size of their cells; when the cells reach their maximum size, they typically divide into two in order to remain within the required cell size. For all living things, the surface area to volume ratio get smaller as the cell size increases. This is not beneficial to the cells because, this will limit the amount of needed nutrients and substances which can cross the membrane into the inside of the cells and this could lead to the death of the cell. In order to prevent this, the cell maintain the required cells size by dividing when necessary.
4 0
4 years ago
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