What causes a drop in female hormone levels? A: The onset of the menstrual flow. B: If an egg is released from the ovary. C: if the uterine wall thickens. D: if the egg is not fertilized.

Answers

Answer 1

Answer: D would be the correct answer

Answer 2

Answer:

Ans. (D). if the egg is not fertilized.

The major female sex hormones (estrogen and progesterone) are released by ovaries. During ovulation, ovary releases female gametes or eggs. After the release of eggs, corpus luteum is formed in the ovary, which releases both the female hormones (estrogen and progesterone) and prepare uterine lining for potential pregnancy.

When fertilization occurs, corpus luteum continuously secrets female hormones and allows implantation. However, if the egg is not fertilized, the corpus luteum starts to degenerate and secretion of female hormones stops.

Thus, the correct answer is option (D).

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1: A mixture is heated to boiling. The vapor is captured and passed across a condenser, and a more pure form of the original liquid is collected in another container. This process describes which of the following?A. filtering B. distillation C. osmosis D. chromatography 2: The process of fractionation is based on which property of the components of a solution? A. boiling points B. freezing points C. concentrations D. molarities 3: Crude oil is separated into different substances such as gasoline, petroleum, diesel fuel, and propane by which process? A. filtering B. chromatography C. osmosis D. fractionation 4: Professional and amateur athletes are often tested for the use of illegal performance-enhancing drugs. Which of the following processes is used to separate these chemicals from a blood or urine sample? A. distillation B. fractionation C. osmosis D. chromatography 5: Which of the following involves separating a solution by moving liquids across a selectively permeable membrane? A. chromatography B. osmosis C. fractionation D. distillation
Ben was training for a cross-country bicycle race. During his practice run, Ben's tire went flat and he fell off of his bike, cutting both knees. He was worried that he would not be able to compete in the race being held in two weeks, but his father told him not to worry: His knees would be healed by then. What process is responsible for new tissue growth and the healing of Ben's knees?a. mitosis b. meiosis c. duplication d. transcription

How is RNA different from DNA

Answers

DNA and RNA have completely different purposes in us. DNA stores and transfers genetic information (Eye and hair colour, skin colour, etc..). RNA codes amino acids and makes proteins. DNA is double stranded while RNA is single stranded. DNA uses adenine, thymine, cytosine, and guanine; while RNA uses adenine, cytosine, uracil, and guanine.

DNA is double stranded and RNA is single stranded.

___ interact to produce a trait in which neither dominant gene can produce its effect in the presence of the other.

Answers

In the sentence "___ interact to produce a trait in which neither dominant gene can produce its effect in the presence of the other." the word that completes the sentence is sex linked genes. Genes on the X or Y chromosome are called sex-linked. The sex linked genes are usually dominate and recessive.

Out of the following given choices;

Multiple Alleles

Chromosomes

Carriers

Sex-linked genes

The answer is multiple alleles. While we are used to diploid organisms like humans having two alleles (on same loci of each chromosome of homologous paired chromosomes) for a particular gene, it is thus the case there are two alleles in a population that determine a particular trait. However, there can be more than two alleles in a population that determine a particular trait. Individuals in the population may have different forms of the allele for the trait (please note that a diploid individual can still hold only two alleles). This, therefore, means that they are more than two alleles in the population that determine a trait such as coat/fur color (or blood type in humans). These are what are referred to as multiple alleles. The alleles interact with different degrees of dominance over others alleles hence the various phenotypes formed form their interaction.

How many chromosomes are in a human skin cell and liver cell.

Answers

Answer:

Any somatic cells in a diploid eukaryotic organism will have the diploid number (2n) of chromosomes. For humans that number is 46

Answer:

all cells have 23 pairs and 46 all together it does not matter what cell it is always the same amount other wise they whold say every cell has a diffrent amount

Explanation:

6. Which of the following correctly identifies DNA and RNA?A.
ribogenome
B.
riboamino acid
deoxygenome
deoxyamino acid
deoxyribonucleotide
deoxyribonucleic acid
C.
riboamino acid
D.
ribonucleic acid

Answers

Deoxyribonucleic acid (DNA) and Ribonucleic acid (RNA)

Answer:

Explanation:

riboamino acid

A comfortable room temp is 20C. what is this temp in degrees Fanrenheit?

Answers

20C is 68 degrees Fahrenheit

Answer:

Explanation:

(20°C x 9/5). + 32 = 68 ° F

For the first time in five years California authorities have issued a first stage smog alert, warning people in some areas of unhealthy levels of ozone in the air. Smog contains several dangerous chemical compounds beside ozone: sulfur dioxide, nitrogen dioxide, and carbon monoxide. Since it would be impossible to wear gas masks like those in the picture, a reasonable plan would be to

Answers

A, stay inside to limit exposure.

Answer:

A stay inside

Explanation:

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