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Aloiza [94]
3 years ago
7

What is El Niño?

Biology
2 answers:
Lyrx [107]3 years ago
4 0
El niño is the boy ,la niña is the girl, el niño y la niña son differentes porque un niño tiene differente tipos de vida que las niñas los niños no van a tener vos de mujer y takpoco los niñas vos de hombre.(english: the boy and the girl are different because they have different types if lifes like a girl wouldnt have a deep voice nor a boy would have a squeek voice)
Lady bird [3.3K]3 years ago
4 0
El Niño is a boy and La Niña is a girl. They differ because the ending is different, making one masculine and one feminine. :)
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State the meaning of the red blood cell count, percentage of reticulocytes, hemoglobin, hematocrit, mean corpuscular volume, and
saveliy_v [14]

Answer: Red blood cell count is a diagnostic blood test used to determine the amount of red blood cells an individual has.

Percentage of reticulocytes refers to the amount of immature red blood cells one has.

Hemoglobin is the protein component of red blood cells responsible for carrying oxygen.

Hematocrit is the proportion of red blood cells in the total volume of blood.

Mean corpuscular volume refers to the mean volume of red cells within an organism.

Mean corpuscular hemoglobin concentration refers the intracellular hemoglobin count.

Explanation: Anemia is a condition that is characterized by a reduced total hemoglobin count or number of red blood cells. Anemia can be classified according to various factors that include pathophysiology, that is the factors surrounding the onset of the condition or by cell size, which  refers to mean corpuscular volume (MCV) or by the amount hemoglobin, which is referred to as the mean corpuscular hemoglobin (MCH). The diagnosis of anemia is dependent on red blood cell counts which encompass reticulocyte, platelets and leukocyte counts. Critical blood counts that look at MCV and MCH are a disgnostic feature for the various types of the condition. A high reticulocytes percentage is often associated with anemia.

6 0
3 years ago
1. In the process of (selective breeding / natural selection/hybridization/
DerKrebs [107]

Answer:

selective breeding; biotechnology

Explanation:

Selective breeding is a type of artificial selection that consists of crossing plants/animals with desirable and heritable phenotypic traits in order to increase the frequency of such traits in progeny. Selective breeding can be considered as one of the first biotechnological techniques applied by humans. In the past, the selective breeding technique has allowed obtaining domesticated animals (e.g., dogs from wild wolves) and domesticated crops from their wild ancestors (e.g., maize from its wild ancestor teosinte).

7 0
3 years ago
Select the correct answer. An object is acted upon by a force of 22 newtons to the right and a force of 13 newtons to the left.
lana [24]

Answer:The net force is the sum of all the forces acted upon an object. The direction of force depends on which side you are taking as a positive and negative force. If the force of 22 newtons is positive and the force of 13 newtons is negative, they are actng on the object on different directions, thus in order to get the net force, we just sum them up.

newtons

The net force is +9 Newtons.

Explanation

:

7 0
3 years ago
What vitamin does the skin play a role in manufacture?
tatuchka [14]
The skin plays a role in the production of vitamin D because when dehydrocholesterol reaches the skin by means of the blood and is exposed to ultraviolet light from the sun, it changes to vitamin D in an inactive form.

hope this helps!

7 0
3 years ago
Determine whether each of the following is a characteristic of DNA, RNA, or both.
jenyasd209 [6]

Is single-stranded:  Characterizes especially RNA

Single-stranded or single-stranded defines a nucleic acid molecule (DNA or RNA) that is unmatched to another complementary molecule. It is therefore a single strand of nucleic acid.


Messenger RNA is single-stranded because it consists of a single strand and is not paired with another complementary nucleic acid strand. Nucleic acids paired with a complementary strand, such as genomic DNA, are called double-stranded because they are composed of two strands.


The presence of single-stranded DNA is a key to classifying DNA viruses. The first single-stranded DNA virus identified was a phage. The single-stranded nature of its genome made it possible to study the replication of DNA and to carry out the first sequencing experiments.


Contains nitrogenous bases: concern both of DNA and RNA.

Nitrogen bases, or nucleobases or even nucleobases, are nitrogenous organic compounds present in nucleic acids in the form of nucleotides in which they are linked to an ose, ribose in the case of RNA and deoxyribose in the case of DNA.


Contains uracil: concerns especially RNA.

Uracil (usually called "U") is a nucleic base (pyrimidine base) specific for RNA. It is found in this nucleic acid as nucleoside with uridine and nucleotide with uridine monophosphate or uridylate. While in DNA, adenine pairs with thymine (denoted "T"), it is uracil that binds to adenine in RNA by two hydrogen bonds.

Some authors hypothesize that the spontaneous deamination of cytosine in uracil, easily detectable in DNA (where U is not normally present) by the cell repair machinery of mutations, would explain the use of the base T in DNA. RNA (especially mRNA), a molecule regularly renewed in the cell, does not see its sequence controlled by repair systems, hence a conservation of the base U in this molecule. In this hypothesis, the base U is thus ancestral, the base T derived.


Contains adenine: concern both of DNA and RNA.

Adenine is an essential compound in the living. We find this molecule everywhere in the body, alone or arranged to several other different molecules, thus playing several roles. It is found in nucleotide form: in DNA it is dAMP for deoxyadenosine monophosphate or deoxyadenylate, and in RNA the AMP for adenosine monophosphate or adenylate, as well as in nucleoside form with deoxyadenosine and adenosine.


Is double-stranded: concern especially DNA.

A double-stranded double strand (db) is a molecule of D-deoxyribonucleic acid (DNA) or a molecule of double-stranded D-ribonucleic acid (RNA).


Double-stranded trait is a classification element of some DNA viruses.


It is not impossible to find double-stranded RNA (although it is rare).


Double-stranded RNA is an RNA composed of two complementary strands, in the manner of double-stranded DNA.


There are intracellular or extracellular double-stranded RNAs. Extra-cellular double-stranded RNAs are the genome of some viruses. For others of RNA (+) type, the replicase makes it possible to obtain a double-stranded RNA (tobacco mosaic virus) and thus to multiply. In eukaryotes, this type of RNA organization is involved in the initiation of the RNA interference process. Intracellular double-stranded RNAs are the essential components of the small subunit of the ribosome and therefore exist in a very large intracellular concentration. A high extracellular concentration of double-stranded RNA is synonymous with infection with a virus.


Is made of nucleotides: concern both of DNA and RNA.

Nucleic acids are macromolecules, that is, relatively large, relatively complex molecules. They enter the family of biomolecules since they are of great importance in the realm of life, "bios" meaning life in Greek.


Nucleic acids are polymers whose base unit, or monomer, is the nucleotide. These nucleotides are linked by phosphodiester bonds.


Pairing of adenine with thymine and guanine with cytosine in DNA. The hydrogen bonds are blue dotted.


Contains deoxyribose sugar: concern DNA only (hence its name deoxyribonucleic acid).

Deoxyribose, or more precisely 2-deoxyribose, is a deoxyazugar derived from a monosaccharide of five carbon atoms (pentose, of empirical formula C5H10O4), derived from ribose by loss of an oxygen atom at the 2 'hydroxyl, and therefore, it does not respond to the general formula of monosaccharides (CH2O) n. It is part of the DNA.


It is a crystalline and colorless solid, quite soluble in water. In its furanosa form (pentagonal ring) it is part of the nucleotides that constitute the chains of deoxyribonucleic acid (DNA).


4 0
3 years ago
Read 2 more answers
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