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LuckyWell [14K]
3 years ago
10

A drug decreases heart rate by blocking a receptor on cardiac muscle cells. this drug probably binds to:

Biology
1 answer:
jolli1 [7]3 years ago
7 0
Njfhuj gjjff yuku unkind hkkr ikhrb
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What determines the inherited traits an organism has?
Fiesta28 [93]
D is the correct answer :)

6 0
3 years ago
Which group of non-prokaryotic organisms studied in microbiology typically have two life cycle stages: trophozoite and cyst?
Mama L [17]

Non-prokaryotic organisms typically have two life cycle stages: trophozoite and cyst is Protozoa.

<h3>What is Protozoa?</h3>
  • Protozoa is a group of single celled, non- prokaryotic organisms.
  • These may either be free living or parasitic in nature.
  • These are heterotrophs and reproduce asexually by binary fission.
  • The Protozoa consists of many unrelated or loosely related organisms.
  • They are divided into four major groups:  Sarcodina, Flagellates, Ciliates and Sporozoans..
  • Some protozoa consist of two phases in their life cycle: proliferative stage (trophozoites) and resting stage (cysts).
  • Trophozoites consists of the proliferative stage in which the protozoa divides and reproduces.
  • The resting cyst form helps the protozoa to survive harsh environmental conditions like harmful chemicals, extreme temperature and nutrient and water deficiency.

Learn more about protrozoa here:

brainly.com/question/15427385

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3 0
1 year ago
Beaks in African black-bellied seedcracker finches are small or large, but not intermediate in size. This is an example of
alexdok [17]

Answer:

disruptive selection

Explanation:

Disruptive selection may be defined as a type of a natural selection which selects against some average individual in a given population. These makeup of such a type of the population shows the phenotypes of both the extremes of characteristics but they have very few individuals in the middle.

Disruptive selection is also known as diversifying selection.

In the given context, the beaks of an African seedcracker finches may be small or may be large but they are not of the intermediate size. Such a selection is known as disruptive selection in species.

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3 years ago
In classical conditioning, how long the organism takes to learn an association is called:
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Umm well from my studies shown that its extintion
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Where do we find moss plant​
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You can find it in a swamp, or near a swamp. You find it in shady and damp areas.
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