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2 years ago

HELP ME PLZ ASAP!!! WILL GIVE BRAINY!!

Biology

2 answers:

galina1969 [7]2 years ago

4 0

Answer: yes

Explanation:

It is based on reliable observations, it is able to explain the characteristics of the observations used to format it, it is able to explain the phenomena that wasn’t used in the model, and is able to be refined when new observations are made.

pantera1 [17]2 years ago

3 0

Answer:

This is a scientific model

Explanation:

This is a scientific model because it rightly explains the water cycle and makes it easy to understand in a list of steps and examples

hope it helps!

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Ribosomes provide the scaffolding on which tRNAs interact with mRNA during translation of an mRNA sequence to a chain of amino a

vampirchik [111]

Answer:

a. True

Explanation:

Ribosomes are ribonucleoprotein complexes composed of RNA and proteins, which have two main roles 1-decode the message of the messenger RNA (mRNA) molecule and the formation of peptide bonds in the protein. For this purpose, each triplet of nucleotide bases or 'codon' in the mRNA sequence is used to assemble specific amino acids in the nascent polypeptide chain. Although different, both prokaryotic ribosomes and eukaryotic ribosomes are composed of two subunits: one small subunit that decodes the mRNA into a specific amino acid chain, and one large subunit that forms the peptide bonds in the polypeptide chain. Each ribosomal subunit is in turn composed of ribosomal RNAs and proteins. These ribosomal RNAs act as scaffolds by combining with proteins that assemble into ribosomes (i.e., small and large ribosome subunits).

8 0

3 years ago

a german measles rubella epidemic during the years 1963 to 1965 resulted in approximately 30,000 babies being born with birth de

Juli2301 [7.4K]

Answer:

In babies born with congenital defects during the German measles rubella epidemic the specific cause of these birth defects was most likely the development of rubella virus infections in embryos.

Explanation:

Options for this question are:

1. The development of rubella virus infections in embryos. 

2. The failure of zygotes infected with rubella to develop

3. Mutations in the nerve cells of pregnant females at the time of the rubella epidemic .

4. An increase in the amount of time needed for healthy embryonic development.

Rubella is a viral infection caused by a virus of the genus Rubivirus, considered highly teratogenic during the phases of pregnancy where the embryo and the fetus are developing, that is, before 20 weeks of gestation.

The virus is transferred to the embryo or fetus by the mother's blood, acquiring the disease, which can cause abortions or visible malformations at birth, which is called Congenital Rubella Syndrome (CRB).

CRB is responsible for producing cardiovascular, renal, neurological malformations, loss of vision or hearing, problems that German children born during the epidemic probably had.

Learn more:

Congenytal rubella brainly.com/question/2107536

3 0

3 years ago

In which biome would you be most likely to find plants and animals that are

vlabodo [156]

Answer:

I'm pretty sure the answer is a Tundra.

Explanation:

It's the only biome that has snow out of every other answer choice. Snowy places are naturally cooler than humid ones.

7 0

3 years ago

Studies peg the number of proteins in the human body to be around 10,000 to several billions. This diversity is a result of the

Harrizon [31]

Answer:

The correct answer is - option B.

Explanation:

The diversity of numbers of proteins in the human body is due to the differences in the structure of proteins. This change or difference in the structure of proteins is mainly affected by the sequence of amino acids.

The order of sequence of amino acid segment or residue in the peptide chain of the protein affects the structure of the particular protein which also leads to change in the secondary and tertiary structure of the protein.

Thus, the correct answer is - option B.

8 0

3 years ago

1. Where are the Galapagos Islands located? (5 points)

jarptica [38.1K]

Answer:

1. Archipelago in Ecuador

2. Different beaks

3. He used Darwinism/ survival of the fittest / evolution to explain these adaptations. The birds on different islands adapted to varying, but specific food types.

4. mutation, gene flow, genetic drift, and natural selection.

Mutation creates new genetic variation in a gene pool.

Gene flow and genetic drift alter allele frequencies in a gene pool.

5. The finches have few predators / competition for food.

Explanation:

3 0

2 years ago

Read 2 more answers