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Sophie [7]
3 years ago
14

When you feel nervous, does that have anything to do with actual nerves? Explain.

Biology
1 answer:
Sonja [21]3 years ago
6 0

Answer:

No to feel nervous is too feel the sense of feeling scared and has nothing to do with the nerves in your body

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Independent assortment occurs only in cells that are heterozygous for two genes (AaBb) and not in cells that are completely homo
fomenos

Answer:

False

Explanation:

Gregor Mendel, who was referred to as the FATHER OF GENETICS, discovered the principles that governs heredity. One of those principles which he called LAW OF INDEPENDENT ASSORTMENT states that the alleles of a gene randomly segregates into gametes independently of the alleles of another gene. This means that during gamete formation (meiosis), the separation of the alleles of one gene doesn't affect the separation of the alleles of another gene.

Mendel discovered this principle when he worked with two genes that was responsible for two distinct characters. Hence, in a cell that contains two genes responsible for two different characters in the organism, independent assortment will always occur during gamete formation. Although, in an organism that is homozygous for both traits (AABB or aabb), only one type of allelic combination will be produced in the gamete. However, the alleles will still randomly align and separate independently of one another during Metaphase and Anaphase stages of meiosis.

4 0
3 years ago
Read 2 more answers
The process of what adds a phosphate group to adp creating atp?
lara31 [8.8K]

Answer:

The conversion of ADP to ATP can be written as ADP + Pi + energy → ATP or, in English, adenosine diphosphate plus inorganic phosphate plus energy gives adenosine triphosphate.

7 0
3 years ago
True or False: Skeletal muscles are found in the heart
Zigmanuir [339]
True they are in the heart as well as the rest of your body
6 0
4 years ago
What is the function of cell membrane
Vika [28.1K]

Explanation:

The function of the cell membrane is to protect the organelles that break down proteins and nutrients.

It is semi-permeable which means it takes in select nutrients and excretes cell waste into the bloodstream.

5 0
3 years ago
The hay included as part of the culture medium provided a food source for bacteria. Bacteria are a good food source for some typ
lions [1.4K]

Answer:

  • Protozoans → would not have survived because they have no way to produce their own food → Heterotrophs
  • Algae → would have survived without this food source → Heterotrophs

Explanation:

The protist kingdom is composed of two main groups.  The principal difference between them is that algae can produce their own food, while protozoans need to ingest other organisms or organic molecules to survive.

  • Algaes are autotroph
  • Protozoans are heterotroph

<u>Protozoans</u>:

Microscopic unicellular organisms, eukaryotic and heterotrophs -predators or detritivores-. Most of them are aquatic free-living organisms, but some species are parasites. They feed on<u> bacteria</u>, other organic wastes, and other microscopic organisms. The phagocytosis process is normally used to ingest the food, invaginating their cell membrane.  

<u>Algae</u>:

Eukaryotic micro- or macroscopic organisms. Autotroph and photosynthetic. They might be either unicellular or pluricellular. They use sunlight to synthesize organic matter from water, CO₂, and mineral salts. Unicellular ones can be free-living or associate with others to form colonies. They are part of the phytoplankton and are ingested by heterotrophic organisms. Pluricellular algae do not create real tissues but they compose a tale. The depth at which they inhabit depends on the pigments they produce. All of them inhabit fresh or sea waters.

8 0
3 years ago
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