BIOLOGY MIDDLE SCHOOL

2.) Would a plant grow better in a room painted blue or in a room painted green? Explain your answer.​

Answers

Answer 1
Answer:

Answer:

A blue room

Explanation:

Green light is the least effective for plants because they are themselves green due to the pigment Chlorophyll.. Blue light helps encourage vegetative leaf growth, and red light encourages flowers. this happens because the amount of blue, red and far red spectrum of light that reaches the planet changes with the seasons. As days start to get longer, more blue spectrum light reaches the surface of the earth. This initiates a vegetative growing stage for most plants leading into the spring and early summer. As the days start to grow shorter, and more of the red and far red spectrum reaches the surface, it leads into the late summer and fall reproductive season.
Answer 2
Answer: A plant would grow better in a blue room

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Describe the different abiotic and biotic parts of an ecosystem. Identify and explain what organisms lie on each of the trophic levels.I have the different parts of an ecosystem but I just need help with the second part.

Answers

the biotic part am i right?

Question 2How might a deletion mutation in a gene affect the translation of that gene?

The mutation would not allow DNA to exit the cytoplasm.

The mutation would prevent amino acids from being brought to the ribosome during translation.

The amino acids would not be the right shape. They would not be able to assemble to form proteins.

The mutation would cause a different sequence of amino acids to be brought to the ribosome during translation.


Question 3
What is DNA?

a type of molecule composed mostly of amino acids
a type of molecule that performs the main functions of cells
a type of molecule that speeds up the rate of a chemical reaction
a type of molecule that determines the traits that an individual inherits

Answers

Question 2: The mutation would cause a different sequence of amino acids to be brought to the ribosome during translation.
Question 3: A type of molecule that determines the traits that an individual inherits.

Which best characterizes the Precambrian era?A.


abundant plants and animals


B.


dinosaurs


C.


small, one-celled organisms and primitive jellyfish


D.


extensive mountain building

Answers

the answer is dinosaurs

Answer:

It is C

Explanation:

Because everything's starts out small and they are the smallest in the eras because one cell turns to two cells and etc. it was the beginning of all life forms . It couldn't be dinosaurs because they were in the Mesozoic era. At the time of the Precambrian  era i think it was before the Phanerozoic eon

Two methods of active transport

Answers

One method of the active transport is the bulk transport - using the endocytosis or exocytosis for the process of moving bigparticles through the membrane.
Another example would be with the use of special transport proteins in plasma membrane. These proteins to change their shapes thanks to ATP (Adenosine triphosphate).This is how they manage transport materials from low to high concentration.
Active transport methods:
- symport - across one protein, two molecules are transported in the same time and direction
- antiport - across one protein, two molecules are transported in opposite directions, which one enters into protein and one leaves it.

I hope I helped :D

John is trying to identify how strong his lungs are. In order to do so he finds out his TV is 450 ml, IRV is 2.6 L, ERV is 900 mL. What is his vital capacity

Answers

Answer:

Vital capacity can be defined as the maximum volume of air a person can breathe in after a forced expiration. It is equivalent to the sum of expiratory reserve volume (ERV), tidal volume (TV) and inspiratory reserve volume (IRV).

  • Expiratory reserve volume (ERV): It refers to the volume of air a person can exhale by forcible expiration or air exhaled from the end-expiratory position.
  • Tidal volume (TV): It is a volume of air inhaled or exhaled during a normal respiration.
  • Inspiratory reserve volume (IRV): Maximum volume of air a person can inhale from the end-respiratory position.

Now, the vital capacity of John would be =  450 + 2600 + 900 ml

= 3950 ml or 3.95 L.

Hablar de la naturaleza

Answers

you have to talk about nature
To talk about nature...
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