1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
bearhunter [10]
3 years ago
7

How long does a regular menstrual cycle last?

Biology
2 answers:
natima [27]3 years ago
6 0
Lasts about five to seven days

yaroslaw [1]3 years ago
4 0
The average amount of time for a regular menstrual cycle is about 28 days.
You might be interested in
Choose all the answers that apply.
Svetllana [295]

Answer:

CO2 is a compound, it has 2 atoms of oxygen, and is made up of oxygen and carbon

Explanation:

6 0
3 years ago
Is it A?
Ronch [10]
Digesting a sandwich
because your stomach acids break down the food so it can be digested and what not
6 0
4 years ago
Read 2 more answers
Mary has type A blood and her husband (John) has type B blood. John's parents both had type AB. Mary and John havethree children
EleoNora [17]
Because one has rule A so it wouldn't make Sense.
7 0
3 years ago
Suppose a gene has two alleles, one of which is dominant over the other. An individual whose genotype is for the recessive allel
Trava [24]

Answer:

This question is incomplete, the options are:

A. Two copies of the allele that determines phenotype whenever the allele is present

B. Two copies of the allele whose effect is hidden unless the other allele is absent

C. One copy of the allele that determines phenotype when present and one copy of the other allele

D. One copy of each of two alleles that both contribute equally to determining phenotype

The answer is B.

Explanation:

According to Gregor Mendel, a Gene comes in two alternative forms called ALLELES. One allele called the DOMINANT ALLELE is capable of masking the phenotypic expression of the other called the RECESSIVE ALLELE. The dominant allele will always express itself whenever it is present. However, a recessive trait will only be expressed when two alleles for recessiveness occur in the gene.

An individual whose genotype is for the recessive allele will have two copies of the allele whose effect is hidden unless the other allele is absent. This means that in that particular gene, the two present alleles will be recessive alleles.

4 0
3 years ago
Why zooplankton is essential to life on the planet
son4ous [18]

Answer:

zooplankton feed on phytoplankton, the main producers of the ocean, that provide a strong link for every marine food chain. without these consumers, there would be very little methods for energy to be distributed through the oceans ecosystem and life would diminish within the ocean.

Explanation:

7 0
3 years ago
Other questions:
  • A bear would be classified as a/an
    15·2 answers
  • Explain which type of succession occurs most often and why.
    11·2 answers
  • The karyotype for trisomy 21 illustrates an example of a genetic mutation caused by A) insertion. B) inversion. C) crossing over
    7·2 answers
  • What is Brittleness
    12·2 answers
  • Jacinta realizes she is starting to lose her battle with lung cancer. she keeps praying, "i just want to live long enough to see
    11·1 answer
  • Can someone answer this plzz
    6·1 answer
  • Which structure is responsible for allowing material into and out of an animal cell?
    6·1 answer
  • B)¿Cuál de las siguientes asociaciones entre estructura y función es falsa? A. Médula espinal –apreciación de sensaciones B. Cer
    6·1 answer
  • What are 5 different kinds of proteins made by ribosomes?
    5·1 answer
  • You’ve probably heard it said hundreds of times. A friend, a parent, or even a teacher tells you that something is “a scientific
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!