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frozen [14]
3 years ago
10

Compare diagram B to diagram A. How is it different?

Biology
1 answer:
Otrada [13]3 years ago
7 0

Answer:

what diagram

Explanation:

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Question 14 <br><br> Answer correctly plz.
kramer

Answer:

1 is C

2 is B

3 is A

Explanation:

7 0
3 years ago
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1. NAME THE FOLLOWING. 1. The sense organ which tells you that a fruit is sweet or bitter.____
aleksklad [387]

Answer:

1. The sense organ which tells you that a fruit is sweet or bitter. <em>Tongue</em>

2. The five sense organs. <em>Eye, ear, nose, tongue, skin</em>

3. The organ which has several taste buds. <em>Tongue</em>

4. The sense organ which tells you a truck is approaching. <em>Eye, ear</em>

5. The thing which helps some people to hear better. <em>Hearing aid</em>

6. The thing which help some people to see better<em> </em><em>Glasses/spectacles</em>

4 0
2 years ago
Beneficios y perjuicios de una vacuna
Sloan [31]

Answer:

Explanation:

Beneficios: desarrollar inmunidad,ayuda al sistema inmunológico a desarrollar la misma respuesta que una infección real, para que pueda desarrollar anticuerpos y combatirla en el futuro.La viruela se ha erradicado por completo gracias a las vacunas y la poliomielitis no se queda atrás. Las vacunas contra la polio todavía se administran para ayudar a mantener el control de la enfermedad hasta que se haya eliminado en todo el mundo.

Daño: síntomas de un resfriado o fiebre leve que muestra que su cuerpo está combatiendo la infección. Puede haber dolor en los músculos o enrojecimiento en el lugar de la inyección. Todos estos efectos secundarios muy leves desaparecen en un par de días, las alergias

NO TOME LA VACUNA

5 0
3 years ago
In your laboratory journal, describe the two tools of molecular biology that are often described as the scissors and glue for ma
MatroZZZ [7]

The "scissors" of the molecular biology are: DNA Restriction enzymes.

A restriction enzyme is a protein capable of cleaving a DNA fragment at a characteristic nucleotide sequence called a restriction site. Each restriction enzyme thus recognizes a specific site. Several hundred restriction enzymes are currently known.

Naturally present in a large number of species of bacteria, these enzymes have become important tools in genetic engineering.


The "glue" of the molecular biology are: DNA ligase

In molecular biology, DNA ligases are ligase-class enzymes that catalyze the formation of a phosphodiester bond between two segments of DNA. DNA ligases are involved in several essential cellular processes of DNA metabolism: in DNA replication, suture of Okazaki fragments, and in DNA repair and homologous recombination.


The use of these tools in molecular biology: Cloning

Molecular cloning is one of the bases of genetic engineering. It consists of inserting a DNA fragment (called insert) in an appropriate vector such as a plasmid for example. The new plasmid thus created will then be introduced into a host cell, generally the Escherichia coli bacterium. This will then be selected and multiplied to obtain a large amount of the plasmid of interest. Cloning a gene involves inserting it into a plasmid. A clone will be the bacterial transformant that contains this particular plasmid. In this case we speak of clone because all the individuals of the bacterial colony are genetically identical. Molecular cloning is thus different from reproductive cloning (creating an individual genetically identical to another but of a different age) or therapeutic cloning (making tissues from stem cells to perform transplants compatible with the recipient).

Molecular cloning requires restriction enzymes capable of cleaving the DNA, and DNA ligase capable of re-gluing the DNA fragments. Ligase was isolated for the first time from T4 bacteriophage. This enzyme is involved in the repair and replication of DNA. It can bind DNA fragments with compatible sticky ends. At higher concentration, this enzyme is also able to bind two ends of DNA as shown here. T4 DNA ligase works using ATP and Mg ++. It has an activity optimum of 16 ° C, but remains active at room temperature.

7 0
3 years ago
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Some emus run fast (between 30-35 mph) and other emus run
Juliette [100K]

Answer:

you....your not asking anything?

4 0
3 years ago
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