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jekas [21]
3 years ago
14

Which will increase the rate of a chemical reaction?

Biology
2 answers:
beks73 [17]3 years ago
4 0

Answer:

adding a catalyst

Explanation:

catalysts accelerate the speed of chemical reactions

garri49 [273]3 years ago
4 0

Answer:

Addition of a catalyst

Explanation:

A catalyst tends to alter the rate of a chemical reaction thereby increasing the rate of the reaction

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How does the cardiovascular system interact with the respiratory system?
jek_recluse [69]

Answer:

The circulatory and respiratory systems work together to pump blood and oxygen throughout the body. Air moves in and out of the lungs through the trachea, bronchi, and the bronchioles. Blood moves in and out of the lungs through the pulmonary arteries and veins that connect to the heart and thats how it works.

Explanation:

7 0
2 years ago
Read 2 more answers
Cross a mother who carries the hemophilia gene but does not express it, With a father with hemophilia
alisha [4.7K]

Answer: The cross will produce 4 offsprings with the following genotypes:

XhXh, XhX, XhY and XY.

Explanation: Hemophilia is an X-linked disease. A woman who carries the hemophilia gene but doesn't not express it is heterozygous, therefore she has a genotype of XhX, and a man who has hemophilia has a genotype of XhY. A cross between them will produce one female and one male who are hemophilic (XhXh and XhY), one female who is a carrier (XhX) and one normal male.

See the punnett square attached for the cross

3 0
3 years ago
The changing of the rivers created more ____________ for animals
Digiron [165]

Answer:

D) Habitats for animals.

Explanation:

It depends what the question means when it says 'the changing of the rivers'. I took it as the rivers are changing size and becoming more spread out. In that case, I chose habitats.

The more water there is, the more habitat there is for sea life.

All in all, the correct answer is D).

8 0
3 years ago
The human genome comprises about 3 x 109 base pairs of DNA, and no two humans, other than identical twins, ever have been or wil
arsen [322]

Answer:

The correct answer is C.

Explanation:

The amount of genetic variation in two humans is 0.1 percent of their genome. Human genetic variation refers to the biological difference that exists in the human population.

The genetic variation in humans and apes genome is about 4 percent which is 35 million differences in a single nucleotide.

The genetic variation between apes and humans (Homo sapiens), according to scientists includes gene expression differences, variation in the transportable elements and type and number of repetitive genomic DNA transportable elements, the difference in the gene sequence, single nucleotide polymorphic, etc.

According to research, 97 percent of humans and orangutans genomes are identical. Based on evolution, among all apes, the orangutans are very special as it has been stable for the past 15 million years.

Therefore, is the genetic variation between humans and orangutans is the greatest.

8 0
3 years ago
Lipids contain long chains of which two atoms
DochEvi [55]

Answer:

I know this is late, but for the people looking for the answer, its carbon and hydrogen

6 0
3 years ago
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