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Kazeer [188]
2 years ago
7

Match the following examples to their correct terms

Biology
1 answer:
Nata [24]2 years ago
7 0

Answer: Here are all the ones you're missing

Race Horses - Selective breeding

XY - Male

Lung's main organ - Nervous system

XX - Female

Breaks down food into small usable parts - skeletal

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Ligation reactions occur most efficiently between DNA fragments:
Ket [755]

Answer:

<h2>B. that have complementary sticky ends</h2>

Explanation:

The sealing of nicks between two adjacent residues of a single-strand(ss) break on a double-strand DNA and the joining of double-strand breaks.

This is enzymatically catalyzed by the enzyme DNA ligase.

DNA ligation is the joining ends of 2 DNA molecules by the enzyme, DNA ligase. DNA ligase catalyzes the formation of two covalent phosphodiester bonds between the 3' hydroxyl group of one nucleotides and the 5' phosphate group of another and it is  an ATP dependent reaction.

DNA Ligation  occur most efficiently between those  DNA fragments  that have complementary sticky ends.

8 0
3 years ago
In this mass spectrum, which peak most likely represents the molecular ion?.
Finger [1]
The presence of the base peak at 45 in combination with our knowledge about the nitrogen rule suggests that the peak at m/z 60 is likely the molecular ion because even molecular ions usually produce odd molecular fragments by breaking single bonds.
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2 years ago
Instead of using a family tree, scientists use a(n) _____ tree to track the evolutionary history of a species.
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Phylogenetic

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3 years ago
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An atom has at least one positive proton and at least one negative electron. Which of the following is true about the protons an
allsm [11]

Answer: Protons and electrons are far apart with lots of empty space in between.

Explanation:

Atom is defined fundamental part of a matter. Atom is composed of three sub particles protons, electrons and neutrons.

In an atom, electrons are located in orbits around the nucleus. Nucleus of an atom is located at center of the atomic sphere where protons and neutrons are present. Hence, it will be correct to say that "protons and electrons are far apart with lots of empty space in between".

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3 years ago
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What are three steps doctors would take to repair damaged heart tissue?​
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Here is basic information: "Stem cell therapy for the heart; several different types of approaches are being used to repair damaged heart muscle with stem cells. The stem cells, which are often taken from bone marrow, may be inserted into the heart using a catheter. Once in place, stem cells help regenerate damaged heart tissue

Explanation:

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