BIOLOGY MIDDLE SCHOOL

What is the s phase complete

Answers

Answer 1
Answer:

Answer: when each chromosome has been duplicated.

Explanation:

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Explain how plant cells and animal cells differ in the process of obtaining energy.Give a simple but full answer.

Answers

Plant cells use photosynthesis to obtain energy, while animal cells harness chemical energy by breaking down nutrients and chemicals that they get when the organism eats.

What determines the damage caused to the human body by an electric shock

Answers

These are the main factors:

• the amount of current flowing through the body
• the path of the current through the body
• the length of time the body is in the circuit
• the voltage of the current
• the presence of moisture in the environment
• the phase of the heart cycle when the shock occurs
• the general health of the person prior to the shock
• how quickly the person is treated.

A. DNA
B. A Hormone
C. ATP
D. An Antibody​

Answers

Answer:

ATP

Explanation:

This is becausethe substance contains energy

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

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.

What causes earthquakes?A. Elastic rebound

B. frictional heating

C. The release of heat

D. The Richter scale

(Pls help!!!)

Answers

answer is - Fictional heating
B the frictional heating
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