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antoniya [11.8K]

3 years ago

13

An empty truck and a fully loaded truck are next to each other at a traffic light. When the light turns green, the lighter truck

increases speed more quickly. Which of these best explains this situation?

2 answers:

mote1985 [20]3 years ago

7 0

It is lighter with less mass so it can get grip faster and speed up faster because it doesn't have as much weight pulling it down

sukhopar [10]3 years ago

7 0

it Newton's second first law

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1. In a population of 200 field mice, 98 mice are homozygous dominant for brown fur (FF), 84 mice are heterozygous (Ff), and 18

iVinArrow [24]

A.
The genotype frequencies can be determined by dividing the number of individuals with a genotype by the total number all the individuals.
FF genotype frequency:
98÷200=0,49. There are approximately 5 <span>homozygous dominant mice in 10.
Ff genotype frequency:
84</span>÷200=0,42. There are approximately 4 <span>heterozygous mice in 10.
ff genotype frequency:
18</span>÷200=0,09. There are approximately 1 <span>homozygous recessive mouse in 10.

B.
To determine the frequency of an allele we can divide the number of times that the allele appears by the total number of alleles.
F allele frequency:
</span> $\frac{(98*2)+84}{400}$ <span>=0.7
There are 7 F alleles in 10 random alleles.
f </span>allele frequency:
$\frac{84+(18*2)}{400}$ =0.3
There are 3 f alleles in 10 random alleles.<span>
</span>

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4 years ago

Dna codes for the sequence of amino acids in the primary structure of a protein, but not for sugars or lipids. This is because?

s2008m [1.1K]

Proteins are the main structural and functional components of cells.

Each group of three bases in mRNA constitutes a codon, and each codon specifies a particular amino acid. The mRNA sequence is thus used as a template to assemble in order the chain of amino acids that form a protein.

The sequence of a protein is determined by the DNA of the gene that encodes the protein change in the gene's DNA sequence may lead to a change in the amino acid sequence of the protein. The sequence of amino acids of a protein determines protein shape, since the chemical properties of each amino acid are forces that give rise to intermolecular interactions to begin to create secondary structures, such as α-helices and β-strands.

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1 year ago

Why does the body regulate blood pH levels?

ahrayia [7]

Answer:

If your blood pH levels aren't regulated then your blood will be like acid and potentially be fatal.

Explanation:

Your body tries to maintain homeostasis so regulating blood pH levels is vital.

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3 years ago

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student designed an experiment testing the effect of light distance on the rate of photosynthesis. she placed samples of elodea

Leno4ka [110]

The amount of oxygen produced can be quantified in order to determine the rate of photosynthesis. Elodea leaves are divided into little pieces, and the cut ends are put into the funnel's stem.

<h3>What did Elodea's bubbles in this experiment represent?</h3>

The bubbles that you observe rising from an elodea cutting's leaves are actually a result of the photosynthesis process. In some types of algae and in plants, photosynthesis takes place. In the process, light energy is changed into a sort of chemical energy that is then stored as sugar.

<h3>What substance did we use to examine whether photosynthesis existed in Elodea?</h3>

To test whether photosynthesis and/or other processes are occurring, you will conduct experiments using the dye Phenol Red in this exercise. In Elodea plants, cellular respiration is taking place. The experiments look into how light affects these processes.

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2 years ago

What are vase pair insertions/deletions ?

UkoKoshka [18]

Hello.

<span>pair insertions are found in genes and dna that repartes.

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3 years ago

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