Biology High School

Consider a population of lizards living on the coast of Africa. A storm creates piles of debris that the lizards use to raft to a faraway uninhabited island. Which evolutionary process is happening?
A) founder effect
B) bottleneck effect
C) coalescence
D) mutation-selection balance

Answers

Answer 1

The evolutionary process that is happening in the scenario where a storm creates piles of debris that the lizards use to raft to a faraway uninhabited island is founder effect.

The founder effect is a situation that occurs when a small group of individuals breaks off from a larger group to form a new population. These individuals are the founders of the new group, and they carry only a small fraction of the genetic diversity found in the original population.

In other words, the genetic diversity of the new population is constrained by the alleles present in the founding population. Therefore, genetic drift, which is a random variation in the frequency of alleles in a population, will be significant and potentially drive the new population's .

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Related Questions

There are _______ amino acids that are uniquely combined to make up proteins important for human health and wellness

A. 10
B. 20
C. 50
D. 100

Answers

There are 20 amino acids that are uniquely combined to make up proteins important for human health and wellness. These 20 amino acids differ from one another based on their side chains, which are also known as R groups.

Amino acids are the building blocks of proteins. In order for a protein to form, amino acids must be linked together in a specific order and shape. This is known as the protein’s primary structure. The side chains of the amino acids play a crucial role in determining the protein’s overall shape, which in turn influences its function.There are two types of amino acids: essential amino acids and non-essential amino acids. Essential amino acids are those that cannot be produced by the body and must be obtained through the diet.

Non-essential amino acids, on the other hand, can be produced by the body.Both essential and non-essential amino acids are necessary for human health and wellness. They play important roles in a wide range of bodily processes, from muscle growth and repair to the production of hormones and enzymes.

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What is the use of pancreas in the human body

Answers

Answer:

production of hormones that regulate blood sugar levels and glandular secretion) and exocrine (the function of the digestive gland)

Phospholipids spontaneously form a bilayer in an aqueous solution. Why do the heads of the phospholipids point out and the tails point toward one another?


a) The tails are repelled by the aqueous environment, and the heads will directly interact with the aqueous solution.
b) The heads are repelled by the water inside and outside the cell.
c) The tails are nonpolar and form hydrogen bonds with one another.

Answers

The reason for phospholipids spontaneously forming a bilayer in an aqueous solution with the heads of the phospholipids pointing out and the tails pointing towards one another is option A.

The tails are repelled by the aqueous environment, and the heads will directly interact with the aqueous solution. phospholipid bilayer is the basic structure of the cell membrane. It is made up of two layers of phospholipid molecules, each having a hydrophilic (water-loving) head and a hydrophobic (water-fearing) tail.

The tails of the phospholipids are made up of fatty acids, which are hydrophobic, while the heads are made up of a glycerol molecule and a phosphate group, which are hydrophilic. Because of this, the heads of the phospholipids will interact directly with the aqueous environment (either inside or outside of the cell) while the tails will avoid water and instead associate with one another.Phospholipids spontaneously form a bilayer in an aqueous solution because the hydrophilic heads are attracted to water molecules, whereas the hydrophobic tails are repelled by water and will interact with each other instead.

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