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kozerog [31]
3 years ago
8

¿Como se originó la vida según la teoría de la panspermia?

Biology
2 answers:
zheka24 [161]3 years ago
7 0

Answer:

No hablo español, así que pido disculpas por cualquier error.

 La teoría de la panspermia, que sugiere que la vida en la Tierra no se originó en nuestro planeta, sino que fue transportada aquí desde otro lugar del universo.

myrzilka [38]3 years ago
4 0
I don’t really know Spanish
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Nucleic Acid is to heredity as carbohydrate is to
abruzzese [7]

Answer:

The answer would be "Store and transmit heredity information's."

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3 years ago
un auto que se mueve en una trayectoria circular¿ puede tener una rapidez y una velosidad constante?​
Over [174]

Answer:

Respuesta. Un auto que se mueve en una trayectoria circular puede tener rapidez constante, pero no velocidad constante, ya que la dirección del movimiento cambia a cada instante

3 0
2 years ago
Gene control mechanisms, or "gene expression," control _____.
Luda [366]

Answer:

I believe the  correct answer is<em> </em><u><em>C. mRnA translation. </em></u>

Explanation:

Because the gene expression is controlled on two levels. First, transcription is controlled by limiting the amount of mRNA that is produced from a particular gene. The second level of control is through post-transcriptional events that regulate the translation of mRNA into proteins.

3 0
2 years ago
Genetic engineering can be used to disrupt specific genes in the genome of an organism. Predict how the browning of apple slices
adell [148]

Answer: Fruit will not brown. Browning requires a functional enzyme.

Explanation:

Genetic engineering refers to the manipulation of an organism's genes. Scientists use a variety of molecular tools and techniques to cut up and join genetic material from different species and to introduce this new hybrid DNA into another organisms. <u>The overall goal is to add or remove an organism's genetic makeup for the better, or to transfer DNA code from one species into the other, in order to form new combinations or heritable genetic material.</u>

Enzymatic browning is a reaction that occurs in fruits which results in negative effects on characteristics such as taste, color, and nutritional value. This reaction is a caused by phenolic compounds' oxidation by an enzyme called polyphenol oxidase, which causes the generation of dark pigments. This is often seen in apples which are rich in this enzymes and susceptible to this enzymatic browning.

If through genetic engineering, the gene encoding the enzyme responsible for the apple browing is removed, then this enzyme cannot be produced by the apple. Consequently, apples will not brown<u>,</u> because there will not be a polyphenol oxidase that oxidates the phenolic compounds.

4 0
3 years ago
Alleles can be described as 1. dominant 11. recessive III. codominant IV. partially dominant V. incompletely dominant O A. I, II
joja [24]

Answer:

A. I, II, III, and V only

Explanation:

In genetics, an allele refers to the specific form of a gene, which encodes traits. These alleles are usually in pairs in a diploid organism i.e. an organism with two sets of chromosomes. According to Gregor Mendel,

- An allele can either be DOMINANT when the allele masks the phenotypic expression of its allelic pair while the allele that is masked is said to be RECESSIVE.

- Two alleles can also be CO-DOMINANT when the two alleles are neither dominant or recessive over one another but are simultaneously expressed in that particular gene.

- Alleles can also be INCOMPLETELY DOMINANT when one allele is not completely dominant over the other, hence, forms a third intermediate phenotype when in combination with the second allele i.e. in an heterozygous state.

Based on this, an allele can be dominant (I), recessive (II), codominant (III), and incompletely dominant (V).

8 0
3 years ago
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