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siniylev [52]
3 years ago
5

Which is not true about plant cell walls?

Biology
1 answer:
elena-s [515]3 years ago
6 0
It is B while cell walls do contain cellulose they do not contain hemicellulose
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lee and Celia are lab partners. While Celia pours a chemical into a graduated cylinder, some of the chemical splashed onto her a
emmasim [6.3K]

Answer:

Celia should tell the teacher and wash her hands and arms twice.

Explanation:

She should tell the teacher because if she is unsure of what to do, the teacher can help her. If there is no teacher present, she should wash her hands and arms twice to remove as much of the chemical as possible. Then she should call a poison help or chemical help center if she is unsure of what to do next.

5 0
3 years ago
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What exercise requires that the knees always stay in line with the toes throughout the jumping phases of takeoff and landing?
Tasya [4]

Answer:

The correct answer is - power step-ups.

Explanation:

Power step up is an exercise that involves an individual to stand upright and lift ur chest and tuck chin in. Put one leg on box or step and forcefully push that leg into the air and put the leg softly on the box or step and again push this leg now in air forcefully and softly put another leg on the box, repeat this again and again.

This exercise helps to keep the knee in line with the toe through the jumping of landing and take off.

Thus, the correct answer is - power step-ups.

3 0
3 years ago
In a certain plant rough seeds ( R) are dominant and smooth seeds (r) are recessive. Two plants with a genotype Rr are crossed.
ladessa [460]
The genotype that will be given is going to big r and small r because the cross will be the same.
5 0
3 years ago
Lean body mass is made up of:<br> <br> fat tissue<br> water<br> bone and muscle<br> skin
dimulka [17.4K]
B) bones and Muscles hope this helps

8 0
3 years ago
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Which word best describes the nature of predator-prey dynamics in stable communities?
Tanzania [10]

Answer:

Cyclic

Explanation:

It is cyclic because as the number of predators increase in the ecosystem, the number of preys decreases with time. This decrease in preys means lesser food resources for the predators which then decreases the population of the preys. As the predators decrease the number of preys starts to recover and increase in population.

The cycle goes on and on which makes it a cyclic relationship in the nature of predator-prey dynamics in stable communities

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3 years ago
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