The picture shows a cell on a microscopic slide. Identify the procedures that occurred at A and B.

mrs_skeptik [129]

Because it codes for specific proteins and contains the genetic instructions needed in order for an organism to survive, develop and reproduce

8 0

4 years ago

About what percentage of the entire existence of Earth have bacteria been alive?

mihalych1998 [28]

At least 75% of the history of the earth

6 0

3 years ago

Write an argumentative essay which says without photosynthesis there is no life

AysviL [449]

Explanation:

you could include the points such as,

--> photosynthesis produces O2 which is necessary for respiration.

-->photosynthesis reduces the amount of CO2 in the atmosphere as it uses it up in the reaction. this controls the atmospheric rate of CO2 and reduced the greenhouse effect.

--> plants are the primary producers in a food chain and so, photosynthesis plays a primary role in the stability of food chains as they're the primary source of glucose as all the higher consumption is based off the producer.

--> virtually seeing, all the energy within the biosphere is based off plants that depends on photosynthesis.

--> If photosynthesis ceased, there would soon be little food or other organic matter on Earth, most organisms would disappear, and Earth's atmosphere would eventually become nearly devoid of gaseous oxygen.

there could be more but this is all I could think of.

hope it helps. :)

3 0

3 years ago

_______ nerves are composed of preganglionic sympathetic axons that did not synapse in a sympathetic ganglion.

Bas_tet [7]

The answer is “Splanchnic Nerves”. Splanchnic Nerve are nerves that are composed of preganglionic sensitive axons, which were not able to synapse in a sensitive ganglion. Splanchnic nerves are matching instinctual nerves, which backs up to the innervation of the inner body parts. These are nerves that are transporting fibers of the autonomic nervous, as well as sensual fibers from the different body parts

3 0

3 years ago

A student is creating a poster to share out with the class describing the chemical and physical properties and changes for alumi

AysviL [449]

The student put under the "physical changes" portion of the poster about aluminum is option "B".

<h3>What is the boiling point and melting point of aluminum?</h3>

The melting point of aluminum is 933.47 Kelvin, 660.32 degrees Celsius, or 1220.58 degrees Fahrenheit.

It's normal boiling point is 2792 Kelvin, 2579 degrees Celsius, or 4566 degrees Fahrenheit.

Thus, Options "B" aluminum met at 660 degree celcius.

To learn more about aluminum click here:

brainly.com/question/9496279

#SPJ1

5 0

2 years ago