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uysha [10]
2 years ago
8

1 Which of the following statements is not true concerning all living things?

Biology
1 answer:
Alekssandra [29.7K]2 years ago
6 0

Answer:

they have cell walls as an outer boundry

Explanation:

the cells of all living things do not have cell wall. animal cells do not have cell wall. protozoans also do not have cell wall. while cells of plants algae fungi and bacteria have cell wall.

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1<br>Name the gas produced by the pondweed in the light.<br>[1 mark]​
aksik [14]

Answer:

This process of making sugar and oxygen is called photosynthesis. Pond weed uses the carbon dioxide which is dissolved in the water it is in. The amount of dissolved carbon dioxide can be varied by adding sodium hydrogen carbonate (carbon dioxide solution) to the water.

Explanation:

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2 years ago
Which of the following statements is true?
Studentka2010 [4]

Earth's atmosphere helps maintain a constant temperature.

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How many years does a snake live and how many times does it change its skin without pictures please and without links​
irina [24]

Answer:

9 years

Explanation:

Boa constrictor: 30 years

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Match each scenario to its related biomolecules. Jack is eating a diet that will help him build muscle, so he eats a diet high i
Stells [14]

The options for this question are as follows:

A. Nucleic acids

B. Carbohydrates

C. Fats

D. Proteins

Now the correct answers of the match are as follows:

Jack is eating a diet that will help him build muscle, so he eats a diet high in this. <u>D. Proteins</u>

Explanation: Proteins help to build up the muscles. That's why people who want to do body-building, eat protein rich foods, like chicken, eggs, soy, etc.

Before a race, Ruth drinks a beverage full of this biomolecule to get energy. <u>B. Carbohydrate </u>

Explanation: This biomolecule provides instant energy to our body. For example, glucose is consumed before race, as dissolves quickly in our blood and provides instant energy. Glucose is an example of simplest carbohydrate.

These molecules in olive oil will help Ruth’s body store long-term energy. <u>C. Fats </u>

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Elizabeth has been advised to go for genetic screening to detect any abnormalities in her unborn child. <u>A. Nucleic acids </u>

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6 0
3 years ago
Electrons spin in shells around the nucleus. The closest shell (n = 1) can contain a maximum of____
ankoles [38]

Answer: 2 electrons

Explanation:

The inner shell (1st shell) can hold 2 electrons, the next shell can hold 8 electrons and the third shell can hold 18 electrons.

5 0
3 years ago
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