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kozerog [31]
3 years ago
6

The respiratory membrane consists of

Biology
1 answer:
ANEK [815]3 years ago
8 0
It consists of the alveolar wall, the capillary wall, and their basement membranes.
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What is the smallest unit of matter that has characteristic properties of its element?
bazaltina [42]

Answer:

The answer is Atom.

Explanation:

The atom is the smallest constituent unit of matter that has the properties of a chemical element and that it is not possible to divide by chemical processes. The atom is formed by a nucleus with protons and neutrons and several orbital electrons (subatomic particles); whose number varies according to the chemical element. Atoms combine to form molecules that then interact to form solids, liquids and gases.

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How do you think seasons occur when the moon always changes alignment with the Earth each month? What can be some factors that c
UkoKoshka [18]

Answer: The phases of the moon and the progression of Earth’s seasons are not specifically connected, but they hinge on similar processes: one astronomical body revolving around another. Both phenomena, along with the cycle of day and night, define the most intrinsic of earthly schedules.

Earth, Moon, Sun

The sun is the focus of our solar system, holding in its gravitational pull a collection of satellites that includes the nine planets. Earth, the third planet in distance from the sun, requires a little over 365 days to complete its orbit around the star. Caught in the influence of Earth’s own gravity is its moon, which takes 28 Earth days for its revolution around our planet, and is illuminated by various degrees of reflected sunlight.

Lunar Phases

During its 28-day orbital cycle, the moon rotates on its axis once, and thus presents the same face to the Earth; the “dark side” always points away from the planet. But the moon's appearance changes throughout that orbit in a succession of lunar phases, determined by the moon’s position in relation to the Earth and sun. When the Earth lies between the moon and sun, there is a “full moon." The moon reflects its maximum amount of sunlight at this time. When the opposite configuration is true--the moon is between Earth and sun--the moon is cast in shadow, manifesting as a “new moon.”

4 0
3 years ago
If a person has lost a significant amount of blood but still maintains a normal blood pressure it does not necessarily mean that
natima [27]

Answer:

a. Blood vessels are constricting causing greater peripheral resistance.

Explanation:

Peripheral vascular resistance means the resistance in the circulatory system that is used to control blood pressure and the flow of blood. When blood vessels constrict, there would be an increase in systemic vascular resistance. When blood vessels dilate, there would be a decrease in systemic vascular resistance.

3 0
3 years ago
Read 2 more answers
In the DNA replication process, which of the following glues sugar and phosphates together to make a phosphodiester bond?
Gnom [1K]

my answer is none of the above answer mentioned. I know that is deoxyribose

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3 years ago
Beginning within the nucleus, the first step leading to the synthesis of a polypeptide is _____. beginning within the nucleus, t
aniked [119]
Gene expression involves formation of various proteins from specific genes. The expression starts with the process of transcription where DNA is transcribed into a mRNA  by enzyme RNA polymerase. Then mRNA diffuses out of the nucleus and the process of translation takes place in the ribosomes generating a polypeptide then a protein is formed. Therefore, the correct answer is transferring of information from DNA to messenger RNA (transcription).
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3 years ago
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