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Talja [164]
3 years ago
6

Originally ,scientists classified organisms into five kingdoms based in part on _____ structure A) cell B) family C) organ

Biology
1 answer:
kherson [118]3 years ago
8 0
The answer to this question is choice A, cell structure.
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The directions for each amino acid in a polypeptide are indicated by a codon that consists of ________ nucleotide(s) in an RNA m
ipn [44]

Answer:

3 nucleotides in an RNA molecule.

Explanation:

Protein synthesis in the cell produced by RIBOSOMES requires a lot of energy and it's has the highest mass in living organisms. Protein synthesis involve the process where Messenger RNA (MRNA) message is converted to a polypeptide product. The transcription in the cell produced messenger RNA. The translation of mRNA template converts nucleotide-based genetic information into a protein product. The protein sequences contain about 20 Ami o acids and each amino acids is defined by three nucleotides sequence which is called triplet codon. The relationship between nucleotides codon And amino acids is called genetic code

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3 years ago
Which of the following is an example of natural selection?
Alexxx [7]

Answer:

A) Hummingbirds drinking nectar from a plant.

Step-by-step explanation:

Here are some examples of natural selection: In a habitat there are red bugs and green bugs. The birds prefer the taste of the red bugs, so soon there are many green bugs and few red bugs. The green bugs reproduce and make more green bugs and eventually there are no more red bugs.

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3 years ago
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You are the nurse providing prenatal education to a group of pregnant teenagers. One of the group members asks you to talk about
Elina [12.6K]

Answer:

A. The heartbeat can be heard

Explanation:

After the first trimester, during the fourth month, the heartbeat of the fetus becomes loud enough to be heard with the help of a stethoscope placed on the abdomen of the mother.

From fifth to the seventh month of the development, kicks and jabs are felt by the mother as the fetal legs grow and develops. Languo, a wrinkled pink colored skin covers the fetus.

Languo is in turn covered with a white greasy substance called vernix caseosa.

From eighth to ninth months, rotation of the fetus places its head pointing towards the cervix to facilitate childbirth later.

The development of testes takes place in the seventh month while the body hairs become disappeared in the eighth month.

6 0
3 years ago
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What is the answer to this please this is timed so please hurry up
solong [7]

Answer:

metaphase

Explanation:

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How can reading through the entire investigation before beginning the
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Reading through the entire investigation before beginning the procedure can help prevent accidents by giving you the knowledge of what to do beforehand and preparing you for what is to come.

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