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3 years ago

The characteristic that results from a monohybrid cross is the _____ trait.

1 answer:

4 0

The answer is dominant.

A monohybrid cross involves organisms that are heterozygous for only one character. In autosomal dominant traits, the phenotype is present if both copies of the dominant allele (A) are present (homozygous individuals AA) or only one copy of the dominant allele is present (heterozygous individuals Aa). Thus, the characteristic that results from a monohybrid cross is the dominant trait.

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What is one piece of evidence that some organelles like mitochondria and chloroplasts within eukaryotes used to be independent p

Svet_ta [14]

Answer:

organelles are very similar to present-day bacteria, suggesting a common ancestor.

Explanation:

Some evidence suggests that some organelles like mitochondria and chloroplasts within eukaryotes were once used to be independent eukaryotes.

Endosymbiosis theory says that ancestral prokaryotic cells engulfed bacteria like cyanobacteria which with time evolved into mitochondria and chloroplast. Molecular evidence also proves that these organelles were once prokaryotic organisms because they show similar genetic makeup and ribosome type.

So these organelles are similar to present-day bacteria showing that they have a common ancestor.

6 0

2 years ago

The system that contains no organs or tissue of its own but instead consists of proteins and cells located in the blood is known

Alja [10]

Immune System is the system that consists of proteins and cells.

3 0

1 year ago

The table below shows the dimensions of two colored cubes.

Lelechka [254]

Answer: The correct answer is black because the product of its side and mass is lower.

Explanation: Density of a substance is defined as the mount of matter that can be stored in a given volume.

Mathematically,

$Density=\frac{Mass}{volume}$

As, density is inversely proportional to the volume of the substance.

The substance will be more denser if it has less volume and it will be less denser if the volume is more.

We are given two cubes having different sides.

Volume of the cube is calculated by using the formula:

$V=a^3$

where, a = side of the cube.

Black: The side of this cube is 2 and volume will be = $2^3=8cm^3$

Yellow: The side of this cube is 3 and volume will be = $3^3=27cm^3
$

As, the volume of black cube is less. So, this cube will be more denser.

Density of black cube: $\frac{48}{8}=6g/cm^3$

Density of Yellow Cube: $\frac{135}{27}=5g/cm^3$

Hence, black cube will be more denser because the product of its side and mass is lower.

7 0

3 years ago

Glycogen stored within the ____________ serves as the predominant carbohydrate energy source as exercise intensity increases. li

Maru [420]

Answer:

The correct answer is- muscle

Explanation:

Glycogen is the body gets stored mainly in two places which are muscles and liver. During intense exercise glycogen which is stored in the muscle provides the main source of energy. So during exercise blood glucose levels do not reduce much because muscle also uses stored glycogen to get energy so as a result blood glucose level remains stable.

After the exercise, the glycogen in the muscle is again replenished because of the increase rate of glycogen synthesis after the exercise. Therefore the correct answer is muscle.

3 0

2 years ago

15. Which of the following is not one of the characteristics of life?

Aloiza [94]

Answer:

Which of the following is not one of the characteristics of life?

Balance

b. Digestion

Circulatio

d. Conductivity

e. Reproduction

Explanation: A

7 0

1 year ago