Which of the following represents a genotype that is homozygous recessive


Answer 1

There are many, and since you didn't specify the choices, some examples include "ff" or "dd" or just two lowercase letters.


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Answer: B


As the temperature rises, the graph shows that the solubility increases

What compound is this?
Nucleic acids
Proteins ‚Äč


Nucleic acids is the answer

During the early stages of meiosis, two chromosomes in a homologous pair may exchange segments, producing genetic variation in sex cells. This process of exchange is called A) transcription. B) crossing over. C) nondisjunction. D) genetic shuffling.


The correct answer is option B, that is, crossing over.  

Crossing over or chromosomal crossover refers to the interchange of genetic substance between the two homologous chromosomes non-sister chromatids, which leads to the formation of recombinant chromosomes at the time of sexual reproduction.  

It takes place in the pachytene stage of prophase I of meiosis at the time of a procedure known as synapsis.  

B: during the early stages of meiosis, chromosomes in a homologous pair exchange segments, the process is called Crossing over.

Frank had researched how solar technology can help save every. Which group should frank approach to share his findings? A. SERI/NREL






the answer is A) SERI/NREL i think

Insulin is a hormone that travels through the blood to cells, triggering the cells to alter metabolic processes. insulin does not enter target cells, but instead binds to an extracellular receptor, starting a signal transduction pathway in the cell. put the steps of the signal transduction pathway in order from the circulation of insulin in the blood to the alteration of the cell\'s metabolism.


Following are the steps of the signal transduction in order from the circulation in the blood to teh alteration of the cell's metabolism.

1. Insulin circulates in the blood.

2. Insulin combines extracellularly with the insulin receptor and stimulates receptor tyrosine kinase.

3. The receptor tyrosine kinase phosphorylates another tyrosine kinase.

4. Proteins, which comprise of a SH2 domain determine the stimulated tyrosine kinase.

5. SH2 comprising proteins are stimulated by the phosphorylated receptor tyrosine kinase.

6. Alteration of cell metabolism takes place.