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Dima020 [189]
3 years ago
14

Suppose that a mouse with black fur has both an

Biology
2 answers:
Wittaler [7]3 years ago
8 0

Answer: The black fur allele is dominant and the white fur allele is recessive

Explanation: The mouse is black, and the dominant allele will show up. It is still carrying the white fur allele but it is recessive.

3241004551 [841]3 years ago
3 0

You can conclude that the dominant allele is black fur and the recessive allele is for white fur.

We know this because the mouse has black fur. Since dominant alleles will win over recessive alleles, black fur must be dominant since that’s the color the mouse shows.

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Which statements about the cycle of weathering, erosion, and deposition are true? Check all that apply.
kompoz [17]

The correct statements are-

Erosion occurs even when the mountains are forming. Erosion is the movement of sediments from the broken rocks through the agents like gravity, wind, water and others. It is a constant process occurring even while the mountains are forming. It is affected by gravity.

When new mountains or plateaus form, the cycle starts over. Weathering is the breakdown of rocks by the weathering agents. These sediments move due to the process of erosion. A new sediment may be dropped nearby or in a new place by the process of deposition. Weathering, erosion and deposition occur together as a cycle and have almost leveled the land surface.

Weathering, erosion and deposition have almost leveled earth’s surface. These three processes occur as a cycle and have almost leveled the land surface.


3 0
3 years ago
Read 2 more answers
Hi! guys help me please?​
rusak2 [61]

Answer:

Nervous system: This systems helps the five sense organs (eyes, ears, nose, tongue, skin) which all contain nerves that send messages to the brain about what is happening. The brain produces a response which it sends via other nerves to the muscles.

Digestive system: This system helps to break down food into simpler substances so it can be used and absorbed into the body. It takes place in the alimentary canal (food tube), mainly in the stomach and small intestine. The digested food is absorbed into the blood.

Respiratory System: This system helps take in oxygen and removing waste carbon dioxide. Air enters the lungs by movement of the rib muscles and diaphragm. The oxygen is absorbed into the blood.

Reproductive system: This helps produce offspring. Eggs are produces by ovaries in a female and the sperm is produced in the testes of a male. They then try and fertilise the eggs.

Note:

Hope this helped <33

3 0
2 years ago
Select all that apply.
olganol [36]
Birds and animals and maybe the bony fish.
4 0
3 years ago
Read 2 more answers
Scientists originally thought cell membranes evolved before RNA. However, recent evidence suggests RNA developed before the memb
Darya [45]

Answer:

The need for replication, specialization, compartmentalization is key to understand that RNA evolved first

Explanation:

Logical contrast considering a certain catalytic activities of cardinal importance in the early evolution of life ;

• using an RNA molecule that is involved in to catalyzing the process of templated polymerization –selecting a random RNA molecule as a template.

• the ribozyme activity in this process must have engaged an in vitro process in a body part that no longer has a function such that it that can only synthesize moderate lengths of RNA

• when this molecules acts on the copies of itself can replicate

• when it acts on copies of other type of RNA molecules in its surrounding he can promote their replication

• a cooperative system might have evolved from the neighbors to help the survival of this friendly RNA molecules – through catalytic actions, such that a set of different types of RNA molecules evolves with a mark of specialization for different activity.

The development of individual compartments is proposed to be akin to the effective self-replicating systems.

• If RNA molecules are mutually beneficial they may serve the purposes of being specialized for templated polymerization.

• If these RNAs were free to diffuse among a large population of other RNA molecules, they could be assimilated into an established group by other replicating systems, which in turn may compete with the original RNA system for raw materials.

• The quality of the self-replicating systems they generated relies on the compartment that restricts the RNA molecules only to the system they serve.

• compartments started simply and perhaps had simple adsorption on surfaces or simple particles.

• compartmentalization became complex requiring a class of small molecules with varying physicochemical properties liike being amphipathic.

• This gave rise to the phospholipids mainly and the present-day cells often are coated by a plasma membrane consisting of amphipathic molecules in this configuration.

3 0
3 years ago
A recently discovered enzyme is found to have maximum activity in a pH range of 6-8. It is thought that histidine and cysteine r
goldenfox [79]

Answer:

Cysteine

Explanation:

<u>Determine the Amino acid that is primarily involved in Binding </u>

The Amino acid that is primarily involved in Binding is Cysteine. while the other Amino acid ( i.e.  Histidine ) will be involved in Catalysis.

since the enzyme is functional at pH 6 to 8. and Cysteine has a pH of 5, it should be deprotonated and used primarily for Binding .

4 0
2 years ago
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