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Papessa [141]
2 years ago
5

Susan and Jake's truck gets stuck in the mud. They used a tree branch as a

Biology
1 answer:
german2 years ago
8 0

Answer:

3.5

Explanation:

Mechanical advantage = force out / force in

MA = 350 N / 100 N

MA = 3.5

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Chromosome is to Nucleus as DNA is to ?
kakasveta [241]

Chromatin

Chromosome, the highest packing level of DNA, is packed in nucleus. DNA strand itself is packed in chromatin. Chromatin is DNA packaging into 30nm fibers that involve DNA strand with scaffolding around DNA proteins, like histones, in eukaryotic cells’ nucleus.

Explanation:

The DNA strand is folded into nucleosomes, bead-like structures on the DNA and fold up into the 30nm fibers. During meiosis and mitosis, the chromatin is super-coiled up into thicker fibers called chromosomes. Chromosomes within the nucleus can be viewed by a light microscope in a cell in metaphase.

Learn More:

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8 0
3 years ago
Read 2 more answers
A.
Alexxandr [17]

Answer:

The species is extinct.

Explanation:

Endangered signifies that species will soon go extinct.

6 0
2 years ago
1. Nomenclature is governed by certain universal rules. Which one of the following is contrary to the rules of nomenclature? ​
jeka94

»» (c) Biological names can be written in any language.

<h3>EXPLANATION:</h3>

➱ Biological names are derived either from Latin language or are latinised. This is because Latin language is a dead language and therefore it will not change in form or spellings with the passage of time.

3 0
2 years ago
Why is DNA referred to as the genetic code?<br>​
Gnesinka [82]

The genetic code is the set of rules by which information encoded in genetic material (DNA or RNA sequences) is translated into proteins (amino acid sequences) by living cells. Those genes that code for proteins are composed of tri-nucleotide units called codons, each coding for a single amino acid.

4 0
2 years ago
Which solution of ethyl alcohol is more effective at inhibiting microbial growth: a 70% solution or a 100% solution? Why?
Triss [41]

Answer:

70% solution is more effective

Explanation:

The 70% solution is more effective at inhibiting microbial growth than the 100% solution of the ethyl alcohol.

This is because the pure ethyl alcohol coagulates the protein that is in contact with it.

Also, pure alcohol will tend to evaporate faster than the 70% solution of the ethyl alcohol and it will not be that much effective.

3 0
3 years ago
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