This muscular part of the mouth helps in ingesting food .<br>

What term is defined as the tendency of some members of a population to be better able to survive and reproduce and pass on thei

zaharov [31]

Adaptation is the tendency of some members of a population to be better able to survive and reproduce and pass on their characteristics.

5 0

3 years ago

During which process is ethanol produced?

Kipish [7]

Answer:

Alcohol fermentation

Explanation:

When oxygen availability is low, the cell can't perform aerobic respiration to breakdown glucose. Instead, anaerobic respiration must be performed. This occurs in cells which consume large amounts of energy, such as muscle cells. Anaerobic respiration produces much less energy than aerobic respiration

One type of anaerobic respiration formed by yeast is called alcohol fermentation (also called ethanol fermentation). This begins with glycolysis, where one molecule of glucose is broke down into 2 molecules of pyruvate. The energy from this reaction generates 2 molecules of ATP, and converts NAD+ to NADH.

Then, the two molecules of pyruvate are further broke down into 2 acetaldehydes (releasing two molecules of carbon dioxide as a by-product). These two molecules of acetaldehyde are then converted into tw molecules of ethanol, using the H ions from NADH, converting it back to NAD+. See the attached picture

This process is taken advantage of to brew beer and wine.

3 0

3 years ago

Read 2 more answers

The process of angiogenesis is where: a. Two of these are correct. b. Is a critical component or requirement for wound healing t

german

Answer:

a. Two of these are correct.

Explanation:

The two correct options are

b. Is a critical component or requirement for wound healing to take place

d. Existing blood vessels give rise or sprout to form new blood vessels

Angiogenesis is the physiological means in which new blood vessels form pre-existing vessels, developed in the starting phases of vasculogenesis. Angiogenesis is a usual and important process in growth and development, wound healing and in the development of granulation tissue.

The growth and maturation of blood vessels is a largely regulated multistep mechanism called angiogenesis.

5 0

3 years ago

Mendel accounted for the observation that traits that had disappeared in the f1 generation reappeared in the f2 generation by pr

marysya [2.9K]

Answer:

Option C, traits can be dominant or recessive, and the recessive traits were obscured by the dominant ones in the F1.

Explanation:

Complete question-

Mendel accounted for the observation that traits which had disappeared in the F1 generation reappeared in the F2 generation by proposing that

Select one:

a. new mutations were frequently generated in the F2 progeny, "reinventing" traits that had been lost in the F1.

b. the mechanism controlling the appearance of traits was different between the F1 and the F2 plants.

c. traits can be dominant or recessive, and the recessive traits were obscured by the dominant ones in the F1.

d. the traits were lost in the F1 due to dominance of the parental traits.

e. members of the F1 generation had only one allele for each trait, but members of the F2 had two alleles for each trait.

Solution -

In the Mendel’s experiment, some traits which were absent in the F1 generation appeared in the second generation cross. By this he concluded, that the traits exressed in the F1 generation were dominant and hence they capped the expression of traits associated witl recessive allele. He classified the traits in F2 generation as recessive, because these traits can occur only when they are in pair i.e they form individuals with homozygous recessive genotype.

For instance – If “R” is allele for dominant red color trait and “r” is the allele for recessive white color trait, then the cross between true breeding red flowers and white flowers will produce following offspring

RR * rr

Rr, Rr, Rr, Rr

Thus, in F1 generation all the offspring are heterozygous red

F2 generation-

Rr * Rr

RR, Rr, Rr, rr

The recessive trait of white colored flower reappears in second generation.

Hence, option C is correct

8 0

3 years ago

Which of the following could not be dated by the carbon 14 process?

elixir [45]

Your answer for this question is paper which Is A

5 0

3 years ago

This muscular part of the mouth helps in ingesting food .​

This muscular part of the mouth helps in ingesting food .