Fill in the blank cells can to make more cells

The rubbery matrix of cartilage is secreted by ________, whereas _______ produce the fibers and ground substance that form the m

Nata [24]

Answer:

The correct answer is - Chondroblasts; Fibroblasts

Explanation:

Mesenchymal progenitor cells will form chondrocytes combinedly called Chondroblasts that is responsible for the secretion of the rubbery matrix of cartilage.

Fibroblast on other hand produces fibers and ground substance. These ground substances and fibers make the matrix of the fibrous connective tissue.

6 0

3 years ago

2.Which of the following represents a genetic cross between 2 individuals that are each heterozygous for both traits?

wariber [46]

Answer:

A. AaBb x AaBb

Explanation:

The term heterozygous refers to the presence of two different alleles of same gene in an organism. The one allele can be of wild type (original type) and one can be mutated or newly formed.

In the question, two traits are represented by two letters, A and B and alleles as A and a and B and b, respectively. We are asked about a cross involving two traits and two individuals in such a way that both are heterozygous.

If we look at option A, AaBb x AaBb,

we see that one trait A and the other trait B is in heterozygous form (Aa and Bb) in both individuals.

If we look at option B. AABB x AABB

we see that one trait A and the other trait B is in homozygous form form (AA and BB) in both individuals. Homozygous means when the alleles are same for each trait in an individual.

If we look at option C,Aa x Bb

There are not two traits, one trait of one individual and other trait of other individual is being crossed that is not possible.

If we look at option D. AAaa x BBbb

Again, the individuals are homozygous for two traits.

Therefore, A is best option.

Hope it helps!

7 0

3 years ago

Cholesterol belongs to the group of lipids called _____.

ratelena [41]

The answer is c steroids.

7 0

3 years ago

Read 2 more answers

In which state do particles vibrate in place?

Helga [31]

Solid. They're all stuck together and they cannot move anywhere, whereas liquids and gasses flow and bounce around as they please. Hope this helps!!

8 0

3 years ago

if you selected the correct answer above, this means that you realized that natural selection is at play here. identify the four

Bond [772]

Answer:

Explanation:

•Variation: Organism shows variation within a population, these variation could be body size, facial marks, hair color, number of offspring, etc. Also some features shows little or no variation, for example the number of eyes a vertebrate have, etc

•Inheritance: Certain traits are always passed from parents to their offsprings, these traits are called HERITABLE TRAITS. But traits that are exhibited as a result of an environment are termed weak heritable traits.

•High rate of population growth: When the number of offsprings produced in a year is greater than the resources within an environment, such population will experience high rate of mortality.

•Differential Survival and reproduction: The ability possessed by an individual to struggle for survival within it's environment will give rise to more offspring in the next generation.

7 0

3 years ago