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o-na [289]
3 years ago
14

I need it fast as posible so fastttttt​

Biology
1 answer:
BlackZzzverrR [31]3 years ago
8 0

Answer:

I think B is baby teeth and A is permanent teeth

a) Baby teeth doesn't fall on schedule and permanent teeth come in behind them this results is two rows of teeths.

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In drosophila, proper anteroposterior and dorsoventral development requires a separate set of maternal effect gene products accu
rosijanka [135]

It is true. In drosophila, distinct sets of maternal impact gene products must accumulate in the proper region of the embryo to ensure proper anteroposterior and dorsoventral development.

<h3>What makes Drosophila unique?</h3>

The use of Drosophila over vertebrate models has many technological advantages;

  • they are simple and affordable to culture in lab settings,
  • have a significantly shorter life cycle,
  • produce huge numbers of externally deposited embryos
  • may be genetically manipulated in a variety of ways.
<h3>Why is Drosophila referred to be the genetic Cinderella?</h3>
  • Drosophila, which means "dew loving," is derived from the Greek word drósos.
  • Fruit flies, or Drosophila melanogaster, are referred to as the genetic Cinderella.
  • This term was given to them because of their 12-day lifetime, ease of culture, and ability to produce numerous offspring from a single reproduction.

learn more about drosophila here

brainly.com/question/14458439

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4 0
2 years ago
peoples choices can have a positive or negative effect on their health. describe one positive chocie and one negative health cho
Alina [70]
A positive choice to make to impact one's health is to simply wake up in the morning and get ready, and take time on yourself. That will ensure that you appreciate yourself and will give you a positive mentality throughout the day.

A negative choice to make to impact one's health is to constantly over-think situations, causing stress and an unhealthy state of mind. 
8 0
3 years ago
Sometimes, pregnant women are very emotional. This is believed to be caused by extra estrogen and progesterone that are released
Strike441 [17]

Activational effect is the correct answer.

Activational effect is an impermanent hormonal effect that leads to a change in physiological activity or behavior in both humans and adult animals. For instance, when testosterone levels rise in male songbirds they become more aggressive and tend to engage in courtship behavior. Also, a pregnant woman may get more emotional than usual due to an extra level of progesterone and estrogen during pregnancy.  

3 0
3 years ago
We did not use a control group in this experiment. What is the purpose of the control group and how could we have set up with on
Dennis_Churaev [7]

Answer:

used in an experiment as a way to ensure that your experiment actually work

Explanation:

3 0
3 years ago
True or false vitamin k is necessary for the absorption of vitamin B12 from the intestines
AleksAgata [21]
False. Intrinsic Factor is necessary for absorption of B12 from the intestine.
8 0
3 years ago
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