Which of the following is true? A. Around 1500AD, the human population began growing more rapidly. B. Around 1500AD, the human population began to decrease. C. Around 1500AD, the human population began to level off. D. Around 1500AD, the human population began to reach carrying capacity.

Answers

Answer 1

Answer: Lol no^ the human population began to grow rapidly... We now have 7 billion in comparison to the few million we once had

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A scientist takes a cell from one cow and an egg from a second cow. The scientist removes the DNA from the egg and replaces it with the DNA from the first cow. The scientist’s goal is to produce a baby cow with DNA that is identical to the first cow.Which best describes this scenario?genetic engineeringgene therapy cloning selective breeding
A gene codes for a protein that is 500 amino acids long. Which of the following mutations is likely to be the most deleterious? a) a missense mutation at the 490th codon b) a nonsense mutation at the 490th codon c) a nonsense mutation at the fifth codon d)a missense mutation at the fifth codon
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Why is a food web a better representation of relationships within an ecosystem than a food chain? A. A food web shows that most organisms consume and are consumed by more than one organism. B. A food chain shows that most organisms consume and are consumed by more than one organism. C. A food chain shows only a single pathway of energy. D. A food web shows a single pathway of energy flow through the ecosystem.

Answers

A.

a food chain is almost never possible, as in any ecosystem most species are consumed by more than one species of a higher trophic level.

c. a food chain shows only a single pathway of energy

Which of the following is a characteristic of Kingdom Protista?A.) Some protists are heterotrophs, and others are autotrophs.
B.) All protists are heterotrophs.
C.) All protists are unicellular.
D.) All protists are autotrophs.

Answers

The ans is A) some protists are heterotrophs and others are autotrophs..

Answer is A! I took the Test!

"Ribosomes are described as the site of protein synthesis. Ribosomes consist of RNA and protein combined into a very particular shape. As a ribosome moves along an mRNA transcript, amino acids are joined together by peptide bonds. The formation of peptide bonds is facilitated by rRNA in the ribosome. Thus, rRNA can be described as a(n)"

Answers

Answer:

Catalyst

Explanation:

Translation is the second process of gene expression which occurs in the ribosomes of living cells. The ribosome is a complex of Ribosomal RNA (rRNA) and proteins. Translation occurs when ribosomes attach to the transcribed mRNA molecule to read its codons using the transfer RNA (tRNA's) anticodon. The tRNA then carries amino acid that corresponds the codon it reads to the growing polypeptide chain.

In this process, amino acids are attached to one another forming a peptide bond. This linking of one amino acid to another is facilitated by rRNA's as it helps catalyzes the reaction like an enzyme. Ribosomal RNA catalyzes the reaction that forms a peptide bond between the amino acid in the A site of the ribosome and the growing polypeptide (future protein) in the P site.

Someone give answers to these they are both wrong

Answers

Answer:

the first pic is metaphase, and the second pic is interphase.

Deserts are only found near the equator. user: which of the following would be the most important adaptation for a desert-dwelling animal to possess? a. heat dissipation structures
b. heat conserving structures
c. energy conserving behaviors
d. water conserving behaviors

Answers

I think the correct answer from the choices listed above is option D. The important adaptation for a desert-dwelling animal should possess would be water conserving behaviors. Hope this answers the question. Have a nice day.

What are some characteristics that green algae and kelp share?

Answers

Answer:

Green algae contain the same carotenoids and chlorophyll a and b as land plants, whereas other algae have different accessory pigments and types of chlorophyll molecules in addition to chlorophyll a. Both green algae and land plants also store carbohydrates as starch.

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What are the three types of fingerprints found in the human population? How often does each occur? Please help!