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irina [24]
3 years ago
7

What are the most reactive elements of the periodic table

Biology
1 answer:
KonstantinChe [14]3 years ago
4 0

Answer:

The reactivity of alkali metals increases from the top to the bottom of the group, so lithium (Li) is the least reactive alkali metal and francium (Fr) is the most reactive.

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A series of enzymes catalyze the reaction X → Y → Z → A. Product A binds to the enzyme that converts X to Y at a position
pishuonlain [190]

Answer: C. A substrate

Explanation:

A substrate is a substance on which an enzyme act. The enzyme acts on substrate X and converts it to Y.

5 0
3 years ago
Determine the correct order of the genes on the chromosome, given the following information: Genes A and T cross over at a rate
devlian [24]

Answer:

b. AMHT

Explanation:

The arrangement of genes on a chromosome can be estimated by considering the distance between the genes using the rate or frequency of their cross overs. Therefore, we have:

A-------------------18-------------------T

                        M---------9---------

--------------11-------------H

                          ---2---

Thus, using the arrangement above by selecting the letters as they occur, we have:

AMHT as the correct genes arrangement in the chromosome.

8 0
3 years ago
Didn't even mean to do this
Fynjy0 [20]

Answer:

If an organism has a beneficial trait, they have a higher chance of survival, and if they can survive they can reproduce too.

Example: Speckled moths camouflage with the bark of trees and are not easily seen by predators. Black moths do not camouflage with the bark of trees and are easily seen by predators, therefore the black moths are eaten. Because the black moths have been eaten they cannot reproduce and pass on the trait for black wings to their offspring, but the speckled moths are able to reproduce because they survived and are able to pass on the speckled wing trait to their offspring.

7 0
3 years ago
Read 2 more answers
How is fetal circulation different from adult circulation? Be sure to discuss where blood is oxygenated in each as well as any b
Jlenok [28]

Explanation:

  • One of the main differences between adult and fetal circulation is <em>the direction and where the non-oxygenated and oxygenated blood circulates</em>. In adults arteries carry oxygenated blood away from the heart and veins carry non-oxygenated blood towards the heart; in fetuses, arteries carry non-oxygenated blood away from the heart and veins carry oxygenated blood back to the heart.
  • Another difference is <em>where does the exchange of gases takes place</em>, in fetuses blood is oxygenated in the placenta, in adults in the lungs.
  • The circulation between adults and fetuses differs in <em>where does the pressure increases</em>, in adults is on the left side of the heart, in fetuses on the right side.
  • Finally,<em> another important difference between adults and fetuses is the presence of shunts</em>, in fetuses these shunts allow both sides of the heart to work parallelly letting mix blood from both ventricles. This shunt gets closed after birth, so adults do not have them.

I hope you find this information useful! Good luck!

3 0
4 years ago
Brainliest to best answer . . . Spider plant has plantlets and all of the plantlets are identical to the parent plant.
puteri [66]

Answer: Both.

Explanation: Plants produce both asexually and sexually. If they produce asexually, they will use mitosis to produce offsprings. Roots can rise up to new plants or they can propagate by budding or cutting. Like a plant's root can be attached to another plant; that energy from the plant that is attached will get it. If a plant produces sexually, it will grow seeds, and those seeds will turn into a fruit.

5 0
3 years ago
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