In cold, snowy areas, water is added to the atmosphere through

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Answer 1
Answer: Polar Ice caps Hope this helps, stay in touch with brainly!
Answer 2
Answer:

The correct answer is sublimation.


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Under the leadership of Mikhail Gorbachev, the doctrine of perestroika called for which of the following? A. Openness in communicationB. Democratic electionsC. A central banking system under private ownershipD. More local control and free-market practices
Roundworms are pseudocoelomic. This means that they have A. organs, but no true body cavity. B. a true body cavity, but no organs. C. both organs and a true body cavity. D. neither organs nor a true body cavity.
The ultimate source of energy for physical life on Earth is the Sun. a. True b. False Metabolic pathways
What are the main organs of the CNS?
Which best illustrates how Gregor Mendel used creativity that lead to scientific discovery?

With respect to acetylcholine, botox is to nicotine as _____ is to _____.

Answers

Answer:

antagonist to agonist

Explanation:

Glutamate has excitory effect on the nerve fibres in the central nervous system. It is mostly found in synaptic vesicle of nerves terminals in abundance and can be released through exocytosis. The glutamate has special transporters on the plasma membrane that allow it to be transported across neurons.

A drug increases the effect of the neurotransmitter is called an agonist. If it decreases the effect of the neurotransmitter it is called an antagonist. If the neurotransmitter is excitatory like glutamate above, nicotine presence will increase the excitatory effect, and presence of botox will decrease the excitatory effect by inhibit its diffusion across the neurone.

Identify three possible components of a dna nucleotide. cytosine, phosphate group, ribose 2-deoxyribose, phosphate group, uracil 2-deoxyribose, phosphate group, thymine guanine, phosphate group, ribose cytidine, phosphate group, ribose adenine, phosphate group, ribose

Answers

The three possible components of the DNA nucleotide is 2-deoxyribose, phosphate group, thymine. The correct option is C.

What is a DNA?

Deoxyribonucleic acid is a polymer made up of two polynucleotide chains which then tangle into one another to form a doublehelix.

It basically contains geneticinstructions for development, functioning, growth, and fertility of all lifeforms and viruses. Nucleic acids include DNA and ribonucleicacid.

The DNAnucleotide have following three components:

  • A phosphate group.
  • A pentose sugar that is deoxyribose.
  • A nitrogenousbase, which is adenine, guanine, cytosine, and thymine.

Thus, C is the correct option.

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C. deoxyribose, phosphate group, thymine

Palo Verde Tree a Witness for the Prosecution!That could be the headline in a recent murder investigation. Detectives recently discovered pods from a Palo Verde tree in the truck of a suspect in an on-going murder investigation. Detectives on the scene of the crime also found similar trees with pods at the crime scene.
How did detectives nab the suspect based on the pod evidence?
A) Detectives knew that Palo Verde trees grew in a limited area of the state.
B) Detectives used DNA markers to match the pods from the truck to pods on the scene.
C) Detectives constructed a pedigree chart of the trees in the area to determine genotypes.
D) Detectives did test crosses in the lab to determine the relationship of the pods and trees

Answers

Detectives used DNA markers to match the pods from the truck to pods on the scene to nab the suspect in an ongoing murder investigation. Hence, the correct option is B.

What are DNA markers?

DNA markers are the variations that can be used to identify and track specific genes or regions of the genome. DNA markers are used in a variety of applications including medical, genetics, forensic science and agriculture.

There are several types of DNA markers such as SNP, AFLP, microsatellites, RFLP. In forensic science, they are used to identifying individuals by analyzing the DNA samples that are collected from the scene of crime.

In the case given here, by using DNA markers, the forensic experts helped the detectives to match the pods from the truck to the pods on the scene. Hence, the correct option is B.

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B) Detectives used DNA markers to match the pods from the truck to pods on the scene.

A stabbing victim sustained a perforation to his large intestine. from the outermost layer to the innermost layer, what is the order in which the knife penetrated his intestine?

Answers

The outermost layer of the intestine is called the serosa which is a smooth membrane that is compose of a thin layer of cells secreting the serous fluid and also connective tissue. The muscularis is compose of muscle next to the submucosa and responsible for peristalsis and lastly the mucosa. So the answers would be serosa, muscularis externa,submucosa and mucosa.

The speed of nitrogen molecules in the atmosphere (at 20ºC) follows a normal distribution with a mean speed of 500 meters/second and a standard deviation of 50 meters/second.This information best supports which conclusion?A. 84% of the molecules have speeds between 450 meters/second and 550 meters/second.
B. 68% of the molecules have speeds between 450 meters/second and 550 meters/second.
C. 50% of the molecules have speeds between 450 meters/second and 550 meters/second.
D. 34% of the molecules have speeds greater than 550 meters/second.

Answers

This information best supports the conclusion that 68% of the molecules have speeds between 450 meters/second and 550 meters/second. The answer to your question is B. I hope this is the answer that you are looking for and it comes to your help.

68% of the molecules have speeds between 450 meters/second and 550 meters/second is correct option.

How speed of the gases are calculated?

Nitrogen's rms speed will be (4 / 28) = 0.378 of helium's rms speed, yielding a speed of 0.378 1370 m s–1 = 517 m s–1. Now the factor is (4 / 44) = 0.301, resulting in a speed of 0.301 1370 m s–1 = 413 m s–1.

This data best supports the hypothesis that 68 percent of the molecules travel at speeds of 450 to 550 meters per second. B is the solution to your query.

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Who discovered that traits are passed down from both parents

Answers

Gregor Mendel. Hope this helps.