The correct answer is 2500 kcal/day.
During the first trimester of pregnancy, the daily energy requirements of the pregnant woman are the same as before the pregnancy. During the second and third trimester, the body's nutritional needs increase and the daily energy requirements increase by 300 calories.
Answer:
The lion says when they die they become the grass. The antelope eat the grass for there energy and the lions eat the antelope so the can get energy.
Explanation:
Answer:
Blood enters the right atrium and passes through the right ventricle. The right ventricle pumps the blood to the lungs where it becomes oxygenated. The oxygenated blood is brought back to the heart by the pulmonary veins which enter the left atrium. From the left atrium blood flows into the left ventricle.
Explanation:
mark me brainliest, please
Answer:
Nucleus
Explanation:
Methylene blue stains negatively charged molecules in the cell, DNA and RNA are both abundant negatively charged molecules present in the cell nucleus. This means, the nucleus will appear dark blue having taken up most of the stain. The rest of the cell will be a light blue colour, where some of the stain is picked up
Answer:
B. The cells have no nucleus
Explanation:
The prokaryotic cells has no nucleus