Which would be the most dangerous to swallow?

Biology

1 answer:

Finger [1]4 years ago

8 0

Answer:

D. a bacteriophage

Explanation:

A. and B. need extreme environments to survive.

C. is actually beneficial to us, especially in the digestive tract.

D. is a type of virus!

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What can electron microscopes reveal

zloy xaker [14]

Answer:
Electron microscope is a device which is used to see microscopic objects using electon. In this tyoe of microscope electron is thrown on an object whose image is formed on the screen. It resolution power is 10,000X. If the internal structure of an object is to be observed then SEM is used, however for three dimensional structure, TEM is used.

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He process converts the energy from sunlight into chemical energy stored in the bonds of

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Photosynthesis? Its when a plant takes in sunlight for ATP (energy).

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How does a mutation affect a gene?

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The answer is A
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For humans, freckles and broad noses are dominant to no freckles and narrow noses. Use the pinned square below to determine the

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If we name the gene for freckles with F, then the genotypes for having freckles are Ff (heterozygous), FF (dominant homozygous) and for no freckles ff (recessive homozygous).

If we name the gene for nose shape with N, than the genotypes for broad noses are NN (dominant homozygous) and Nn (heterozygous) and for narrow noses nn (recessive homozygous). A cross between two heterozygous:

P: FfNn x FfNn

F1:

9/16 are with freckles and broad noses

3/16 are with freckles and narrow noses

3/16 are with no freckles and broad noses

1/16 are with no freckles and narrow noses.

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3 years ago

Even though DNA and RNA share many characteristics, they are different molecules. How are DNA and RNA different? Include in your

statuscvo [17]

Answer:

Function: DNA includes instructions on how to create the protein and RNA assists in the actual production/synthesis or protein
Structure: DNA has a double helix while RNA is single-stranded
Nitrogenous bases: C and G bases always pair with one another. In DNA, Adenine pairs with Thymine. In RNA, Adenine pairs with Uracil
Sugar: DNA has deoxyribose sugar and RNA has ribose sugar
Strand count: DNA has 2, RNA has 1

Explanation:

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3 years ago