Explanation:
The classical cell theory was proposed by Theodor Schwann in 1839. There are three parts to this theory. The first part states that all organisms are made of cells. The second part states that cells are the basic units of life. These parts were based on a conclusion made by Schwann and Matthias Schleiden in 1838, after comparing their observations of plant and animal cells. The third part, which asserts that cells come from preexisting cells that have multiplied, was described by Rudolf Virchow in 1858, when he stated omnis cellula e cellula (all cells come from cells).
Since the formation of classical cell theory, technology has improved, allowing for more detailed observations that have led to new discoveries about cells. These findings led to the formation of the modern cell theory, which has three main additions: first, that DNA is passed between cells during cell division; second, that the cells of all organisms within a similar species are mostly the same, both structurally and chemically; and finally, that energy flow occurs within cells.
One molecule of Glucose produces 38 molecules of ATP through the ETC in presence of enough oxygen.
<h3><u>Explanation:</u></h3>
To know the number of ATP produced from a molecule of glucose, we need to know the total amount and the type of products produced in the 3 individual steps of an aerobic respiration.
1. <u>Glycolisis</u> - In glycolisis, one molecule of glucose is converted into two molecules of pyruvate with production of 2 ATP molecules and 2 molecules of NADH.
2. <u>Pyruvate Dehydroogenase step</u> - Two molecules of pyruvate produce a total of 2 NADH.
2. <u>Kreb's Cycle</u> - In Kreb's Cycle, two molecules of Acetyl CoA produce a total of 6 NADH, 2FADH and 2 GTP which is again equivalent to 2 ATP.
In the ETC, each NADH is converted into 3 molecules of ATP and each FADH is converted into 2 molecules of ATP.
In the whole process till now, total of 10 molecules of NADH, 2 molecules of FADH and 4 ATPs.
So total number of ATP produced is 10*3 + 2*2 + 4 = 30+4+4 =38.
Answer: Brown
Explanation:
Co- dominance occur when the two traits(dominant and the recessive) are both expressed given rise to a phenotype that is different from the parent.
Since Brown(T) is the dominant color and it is expressed over black fur(t) an organism with Tt genotype having the two alleles will be brown fur, where the black fur will not be expressed in the phenotype and the brown expressing itself over the black.
A trait is a specific characteristic of an organism. Traits can be determined by genes or the environment, or more commonly by interactions between them. The genetic contribution to a trait is called the genotype. The outward expression of the genotype is called thephenotype.
