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atroni [7]
3 years ago
14

Which of the following statements is true?

Biology
2 answers:
maxonik [38]3 years ago
5 0
I think the third is correct
...
Ann [662]3 years ago
5 0

Answer:

3.The only way to return matter to the soil is decomposition.

Explanation:

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Cross two pea plants. Both are heterozygous for seed type; round (R) is dominant to wrinkled (r).
Fudgin [204]

Answer: I hope the file helps you out :)

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3 years ago
The Griffith experiment showed that certain strains of Streptococcus bacteria could transform from one strain to another when co
AnnZ [28]

Answer:

The options

A. It suggested that DNA is the

"transforming principle."

B. It confirmed that DNA is a double helix composed of two antiparallel strands.

C. It demonstrated that DNA consists of four nucleotides where the proportions of adenine/thymine and cytosine/guanine remain constant.

D. It proved that DNA is

semiconservative replication.

The CORRECT ANSWER IS A.

A. It suggested that DNA is the

"transforming principle."

Explanation:

A. It suggested that DNA is the

"transforming principle."✔

Griffith's experiments proved

that transformation can be seen in

pneumococcus, but gave no proof based on what molecular background the transformation was

WHILE, the Avery MacLeod-McCarty experiments proved that DNA was THE TRANSFORMING PRINCIPLE.

B. It confirmed that DNA is a double helix composed of two antiparallel strands.❌

These findings were established by James Watson, Francis Crick, Maurice Wilkins and Rosalind Franklin

C. It demonstrated that DNA consists of four nucleotides where the proportions of adenine/thymine and cytosine/guanine remain constant.❌

The findings was established by Erwin Chargaff.

D. It proved that DNA is semiconservative replication.❌

The findings was established by Matt Meselson and Franklin Stahl.

5 0
3 years ago
Match the description to the type of energy.
attashe74 [19]

Answer:

1)diaphragm vibrations- sound waves

2) Changing magnetic fields- Electrical energy

3)sound waves- Mechanical energy

Explanation:

A changing magnetic field induces an electromotive force and then an electric field which contains electrical energy

Sound energy is a form of energy that can be heard by humans. Sound is an example of a mechanical wave because it consists of physically oscillatory elastic compression.

A diaphragm is a thin surfaced cone used to produce sound. It is caused to vibrate using electromagnetic energy.

3 0
3 years ago
Which part of the DNA molecule codes for the amino acid sequence in the protein? Structure of ONA​
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3 0
2 years ago
Which type of bond forms between water molecules
Harlamova29_29 [7]
Hydrogen bonds. 
The question asks for bonds BETWEEN molecules NOT WITHIN molecules. A covalent bond occurs WITHIN water molecules between hydrogen and oxygen. 
Hydrogen bonds occur BETWEEN water molecules; HYDROGENS of water molecules form a hydrogen bond (a type of intermolecular force) with electronegative OXYGEN atoms of other water molecules.
7 0
3 years ago
Read 2 more answers
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