BIOLOGY HIGH SCHOOL

EXPLAIN THE PERIODS CIRCLE .THANKS I DONT UNDERSTAND IT​

Answers

Answer 1
Answer:

A menstrual cycle begins with the first day of your period, or menstruation and starts over again when the next period begins. Throughout a monthly menstrual cycle, your body makes different amounts of chemicals called hormones to prepare for pregnancy.

Related Questions

Trees obtain carbon from _______.a. decaying organisms b. sunlight c. the atmosphere d. none of the above
When an animal starts breaking down body fat to compensate for a caloric deficiency in its diet, ________ are released into the bloodstream. A. Ketones B. Monosaccharides C. Polysacchaides D. Amino Acids
Sponges have flagellated cells called _____ that line their internal chambers and create water flow to capture food. collar cells choanocytes endoderm mesoderm
A characteristic of acids is that they react with metals to:form non-metalsrelease waterrelease hydrogen gasproduce bases
Which explains why Hawaii has a steady warm, moist climate? A. Several warm water ocean currents bring warm water to the islands. B. The high heat capacity of the surrounding water absorbs or releases heat energy. C. Hawaiian volcanoes provide a steady source of heat for the islands. D. Hawaii is located in the tropics.

Which of the following statements is true about tides?Tides are caused only by the moon.
Tides are not caused by the moon.
Tides are caused by the location of the Earth, sun, and moon.
The sun is not involved in causing tides.

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Tides are caused by the location of the earth, sun and moon.

Help plzzzzzzz just plzzz​

Answers

Answer:

1 -

a. Arrow pointing inward (water goes into the cell)

b. Hypotonic solution

2 -

a. Arrow pointing outward (water goes out of the cell)

b. Hypertonic solution

3 -

a. Equal sign (no arrow)

b. Isotonic solution

4 -

a. Arrow pointing outward (water goes out of the cell)

b. 10% h20 70% solute

c. Hypertonic solution

5 -

a. Arrow pointing inward (water goes into the cell)

b. 50% h20 (in the cell) 20% h2o (out of the cell)

c. Hypotonic solution

6 -

a. Arrow pointing outward (water goes out of the cell)

b. 30% solute (in the cell) 80% solute (out of the cell)

c. Hypertonic solution

What is it called when two forms of a trait are both dominant at the same time

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It is called Codominance. In this condition, two forms of a trait or alleles are both present in the phenotype. For example, in feather color of hens, the alleles will be W for white and B for black. Possible genotypes in codominance will result to WW white BB black and BW speckled.

Answer: Codominance (apex)

Select all that apply.Plants don't necessarily need _____ to conduct photosynthesis.
sunlight
chlorophyll
nitrogen
carbon dioxide
nutrients
water

Answers

Nitrogen is not necessary for photosynthesis. Photosynthesis is the process by which plants convert solar energy into chemical energy and making their own food in the process. The raw materials necessary for photosynthesis include water, sunlight, carbon dioxide, chlorophyll and nutrients from the soil.
Plants don't necessarily need nitrogen to conduct photosynthesis.

Which of the following molecules can be considered a final product in the flow of information within a cell?A) DNA
B) RNA
C) protein
D) lipid
E) Protein or RNA can be the final product of a gene.

Answers

The molecules that can be considered a final product in the flow of information within a cell is E) Protein or RNA can be the final product of a gene.

What is  flow of information within a cell ?

Information moves through a cell from DNA to mRNA to protein. Information flow is the fundamental tenet of biology. A principle or collection of principles established by a body of authority as unquestionably true is called a dogma.

According to the fundamental dogma, information flows through our cells most commonly in this pattern: from existing DNA to produce new DNA (DNA replication). To create new RNA (transcription) from DNA Translation creates new proteins from RNA.

Learn more about   molecules at

brainly.com/question/1078183

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The answer is A DNA your welcome

In the female body, each egg is surrounded by a ____, which breaks open when the egg is mature.a. corpus luteum
b. placenta
c. follicle
d. ovary

Answers

The best answer to the question above is (c.) follicle. In the female body, each egg is surround by a follicle, which breaks open when the egg is mature. This follicle helps the egg to move around and catch the sperm cells during the fertilization.
Other Questions
The table above summarizes traits for two parents and their child The patterns evident in this data demonstrate that A genetic information is passed from neither mothers nor fathers to offspring B. genetic information is passed only from mothers to offspring C. genetic information is passed only from fathers to offspring D. genetic information is passed from both parents to offspring
Which of the following is not true about Darwin’s book On the Origin of Species?a. He worked on the manuscript for three years. b. It was successful. c. It explained his theory of evolution. d. It was based on his findings in South Africa.
The amount of energy that is transferred at each level of the food chain is about _____. 1% 10% 50% 90%
What do aerobic respiration and anaerobic respiration have in common?