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4 years ago

For years, surgeons have had great success using ____________

2 answers:

8 0

Index fossils (also known as guide
fossils, indicator fossils or zone
fossils) are fossils used to define
and identify geologic periods (or
faunal stages).

iren2701 [21]4 years ago

7 0

Answer:

I think it's the artificial heart.

Explanation:

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Have there been any unintended or adverse consequences of the use of chemical sleeping agents?

vlabodo [156]

Answer:

Sleeping chemical agents can cause chronic insomnia and shows adverse consequences in an individual organism.

Explanation:

Sleeping pills or sleeping chemical agents belongs to the class psychoactive drugs and there main function is inducing sleep in an individual organism.

Sleeping chemical agents disturbs the sleeping pattern of an individual, loss of appetite, may leads to constipation and can cause chronic insomnia. Thus, there has been an adverse consequence on the use of chemical sleeping agents.

5 0

4 years ago

Hemophilia is a disease that causes uncontrollable bleeding. If a father has it, all of his daughters will be carriers of the di

Svetllana [295]

Explanation:

Hemophilia is a disease that is characterized by an abnormal blood clotting process. There are many different proteins that are involved in the clotting process and a single mutation or change in one of them could result in serious effects. Hemophilia is characterized by an abnormal version of one of the many proteins involved in the clotting process, the proteins that are commonly affected are the coagulation factor 8 or 9 (VIII or IX). These abnormal proteins are caused by a mutation in the gene (within the DNA) that codifies for the production of each protein. In other words, a mutation in the part of the DNA, (gene F8) will lead to a dysfunctional coagulation factor VIII and a mutation in the gene F9 will lead to a dysfunctional coagulation factor IX. Importantly, these mutations could be inherited and could cause hemophilia. Therefore, an error in the DNA and subsequently, an error in the protein will cause hemophilia. Finally, it is important to mention that there are other types of hemophilia that are not caused by the above-mentioned mutations, such as acquired hemophilia.

3 0

3 years ago

A large black sphere connected to 4 small blue spheres by 4 grey sticks. A box contains a black sphere then C negative carbon on

Cerrena [4.2K]

ANSWER: CH4

Hope I helped in some way.

4 0

3 years ago

Read 2 more answers

Why does Earth have fewer impact craters than other planets? Explain at least four reasons!

aev [14]

Answer:

The process of erosion uses weather, water, and plants to break down the ground on earth so that craters become virtually nothing. ... The Earth's gravity is stronger than the moon's, so it attracts more space debris than the moon does.

Primarily because earths' atmosphere disintegrates many meteorites before they reach the Earth. Secondarily because earth's more active tectonic motions delete them

Explanation:

8 0

3 years ago

The genetic code is a sequence of DNA nucleotides. In eukaryotic cells, the DNA is located in the nuclei of the cells. The genet

siniylev [52]

Explanation: 

Complete question...

a) the same codons are assigned to the same amino acids in most living things.

b) the same codons are assigned to the same DNA sequences in most living things.

c) None of these are correct.

d) the same amino acids are assigned to the same DNA sequences in most living things.

The genetic code is ubiquitous- it is found everywhere in most living organisms. Thus a) the same codons are assigned to the same amino acids in most living things. 

Sequences of DNA make up genes which can have different forms called alleles. DNA is transcribed into mRNA and later translated into amino acids which are linked together by rRNA to form proteins.

Further Explanation:

The nucleic acids are comprised of smaller units called nucleotides and function as storage for the body’s genetic information. These monomers include ribonucleic acid (RNA) or deoxyribonucleic acid (DNA). They differ from other macromolecules since they don’t provide the body with energy. They exist solely to encode and protein synthesis.

Basic makeup: C, H, O, P... life on Earth is Carbon based nucleotides contain 5-carbon sugars, and nitrogen; the bases may contain single to double bond rings

All the genetic information within the eukaryotic cell is stored within the nucleus as helical DNA. This DNA is tightly wound around histones as chromosomes. Codons are three nucleotide bases, with each codon encoding an amino acid or signalling the beginning or end of protein synthesis.

RNA codons determine certain amino acids so the order in which the bases occur within in the codon sequence designates which amino acid is to be made bus with the four RNA nucleotides (Adenine, Cysteine and Uracil) Up to 64 codons (with 3 as stop codons) determine amino acid synthesis. The stop codons ( UAG UGA UAA) terminate amino acid/ protein synthesis while the start codon AUG begins protein synthesis.