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AlekseyPX
3 years ago
6

Sea turtles, mosquitoes, and frogs all show a

Biology
1 answer:
shepuryov [24]3 years ago
6 0

c I think it is c have a good dsy

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Justine is ice-skating at the Lloyd center what is her final velocity if she accelerates at a rate of 2.0m/s for 3.5 seconds?
Alina [70]

7 m/s

Explanation:

Acceleration,

Where v and u are the final and initial velocities of the Justine respectively, t is the time taken for Justin to attain final velocity.

Making v the subject then

v=at+u

Taking u as zero then

Substituting 3.5 for t, 2 as a then

v=3.5*2=7 m/s

5 0
3 years ago
The x-ray film shows a fracture where one side of the cortex is intact and flexed and the other side has signs of interruption (
zalisa [80]

Answer:

The correct answer is - option B.

Explanation:

Greenstick fractures are the type of fractures where one side of the cortex is intact and flexed while the other side is fractured. This type of fracture known as the incomplete fracture,

If any fracture have two or more lines of fracture it is called as Comminuted fractures. Impacted fractures have one segment on other. Due to the performing same activity again and again stress fracture occures that is characterized by failure of one cortical bone.

Thus, the correct answer is option B.

3 0
3 years ago
Ruchi is preparing for class tomorrow, so she is reading about how neurons communicate. one of the first key terms she memorizes
Ket [755]

Answer;

-Neurotransmitters.

One of the first key terms she memorizes is neurotransmitters because these are the chemicals via which neurons communicate with each other.

Explanation;

-Neurons communicate with each other via electrical events called 'action potentials' and chemical neurotransmitters. At the junction between two neurons (synapse), an action potential causes neuron A to release a chemical neurotransmitter.

-Neurons are connected to each other through synapses, sites where signals are transmitted in the form of chemical messengers.


7 0
3 years ago
STRUCTURE OF DNA: Where is DNA found?
Allushta [10]
The first one is nucleus, last one is DNA
i tried my best sorry
4 0
3 years ago
Many useful products, mainly for medical purposes, are produced by cloning human genes into other organisms, which then mass-pro
ANEK [815]

Answer:

The correct answer is : A.

Explanation:

  • This is because of the following reasons:
  1. Escherichia coli is a bacteria and hence is a prokaryote.
  2. The cloning of human (eukaryote) genes is done to obtain in-vitro protein expression which are to be used a pharmaceutical compounds.
  3. Although the phenomenon of Central Dogma takes place in both Prokaryotes and Eukaryotes, the mechanism is very different.
  4. Some of the differences includes:
  • Eukaryotic genes contain certain non-protein encoding sequences called the Intron sequences which needs to be removed from the transcribed mature mRNA by Spliceosome. This phenomenon is absent in prokaryotes as they do not possess introns. Hence, proper processing of eukaryotic mRNA is not possible in prokaryotes.
  • The mature eukaryotic mRNA has a 5' cap and 3' polyadenylated tail which is added by a capping enzyme and a poly-A polymerase enzyme to increase their stability. This will not be possible in a prokaryote as they lack these enzymes.
  • The translation of membrane proteins and secretory proteins is carried on by the ribosomes bound to the endoplasmic reticulum. This structure is absent in prokaryotes, hence they will be unable to produce a proper polypeptide sequence.
  • Finally, the eukaryotic proteins undergo various modifications after formation, like methylation, acetylation, etc. These reactions cannot be carried out in a prokaryote as they lack the respective enzymes.
  • Hence, we see a properly folded functional eukaryotic protein cannot be produced in a prokaryote.

6 0
4 years ago
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