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Kisachek [45]
1 year ago
8

What part of the female system is the usual site of fertilization of the ovulated oocyte?.

Biology
1 answer:
Paul [167]1 year ago
8 0

Fertilization of the egg cell by the sperm usually takes place in the fallopian tube. The fertilized egg then travels to the uterus and implants in the endometrium.

<h3>What are fallopian tubes?</h3>
  • Fallopian tubes are also called oviducts or uterine tubes. It is the passage through which the egg enters the uterine cavity from the ovary.
  • Fallopian tubes are part of the reproductive tract. They have a smooth muscle wall, an inner mucous membrane, and an outer layer of loose supporting tissue (serosa).
<h3>Why does fertilization take place in the fallopian tubes?</h3>

The fallopian tube (oviduct) regulates fertilization through sperm induction and sperm hyperactivity. Sperm induction is achieved by rheotaxis, thermotaxis, and chemotaxis. Rheotaxis is caused by tubal fluid that creates a current flow from the tubal ampulla to the tubal isthmus.

To learn more about fallopian tubes visit:

brainly.com/question/12711470

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Scientists often experiment with Brassica plants
8090 [49]

Scientists often experiment with Brassica plants because they have a relatively short growth period, and they may represent model organisms for genetic studies.

<h3>Why use the Brassica plants in genetic studies?</h3>

Brassica plants are considered model organisms in genetic studies because they have a short period of growth (around 30 days), which allows the analysis of a high number of generations in less time.

Moreover, the genome of Brassica plants contains 24 Gigabases (24 billion nucleotide bases), which is a high number to be considered a model organism in genetic studies.

In conclusion, scientists often experiment with Brassica plants because they have a relatively short growth period, and they may represent model organisms for genetic studies.

Learn more about genetic model organisms here:

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6 0
2 years ago
27. Which three planets were not known to ancient people?
maxonik [38]

Answer:

C. Uranus, Neptune, and Pluto

:)

4 0
3 years ago
Read 2 more answers
In chickens, comb shape is determined by alleles at two loci (R, r and P, p). A walnut comb is produced when at least one domina
frutty [35]

Answer:

a) All Walnut , Genotype - RrPp

b) Walnut : Rose: Single

1:1:2

Explanation:

Phenotype and their Genotype -

Walnut comb - R_ P_

Rose Comb - R_ pp

Pea Comb - rr P_

Single Comb  - rr pp

a) RR PP *  rr pp

All progenies will have genotype RrPp (Walnut Comb)

b) Rr Pp *  rr pp

RrPp (4), Rrpp (4), rrpp (8)

Walnut : Rose: Single

1:1:2

4 0
3 years ago
Put the following events in the correct order:
Wewaii [24]

Answer:

Explanation:

c. Transcription of one DNA strand results in mRNA, which is a complementary copy of the information in the DNA.

a. The mRNA leaves the nucleus and goes to a ribosome open choices for ranking.

b. The building blocks of proteins, are carried to the ribosome by tRNAsAmino acids.

The process of deoxyribonucleic acod starts with replication to transcription and translation.

Replication involves the formation of a complementary base from a old or template DNA Strand this then serve as a template for transcription.

transcription involves the coping of information on the DNA to an intermediate mRNA ( messanger ribonucleic acid) in the nucleus which then move from the nucleus to ribosome in the cytoplasm where translation occurs.

Translation is the conversion of the information on the mRNA to an amino acid with the help of enzyme transferse ribonucleic acid(tRNA).

Hence the arrangement is from C ---- A-----B.

3 0
3 years ago
Which kind of worm is the scientist most likely studying?
Veronika [31]

Answer:

Roundworm

Explanation:

Unsegmented kicks out the possibility of A or D.  Roundworms are pointed at their ends and have distinct males and females

8 0
3 years ago
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