BIOLOGY HIGH SCHOOL

Salmonberry leaf cells contain 14 chromosomes. How many chromosomes will a new leaf cell contain after mitosis ?

Answers

Answer 1
Answer: The new leaf will contain 14 chromosomes, because during mitosis, a cell makes an exact copy of itself. Therefore, the number of the chromosomes in that cell stay the same.
Answer 2
Answer: the new leaf will contain 14 chromosomes as that of the parent cell

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20. Which of the following accurately describes carbon atoms? A. Carbon atoms are only found in two of the four main macromolecules. B. Carbon atoms only have three electrons available for bonding. C. Carbon atoms can bond to other carbon atoms. D. Carbon atoms can only form triple bonds with other carbon atoms.

Answers


C. Carbon atoms can bond to other carbon atoms.

Carbon stored in plants reaches the atmosphere via cellular respiration. Cellular respiration is the set of metabolic reactions that allows plants to convert the energy from nutrients into ATP (adenosine triphosphate) and then release the waste products. The energy from the glucose molecules is broken down into ATP. Water and carbon dioxide are also required to convert the nutrients into ATP. In our case, carbon and oxygen are waste products so they are released into the atmosphere via the pores underneath the leaf of a plant or tree.


How many Amino acids cannot be made by the body, so they must be obtained in the diet

Answers

Amino acids are the building blocks of protein. There are 20 amino acids that is present in our body where nine of them are an important component in your diet because they are not produced by the cells in the body. These are leucine, histidine, isoleucine, lysine, methionine, phenylalanine, threonine, tryptophan and valine.

Determine whether the study is an experiment or an observational study, and then identify a major problem with the study.A medical researcher tested for a difference in systolic blood pressure levels between male and female students who are 12 years of age. She randomly selected four males and four females for her study.

Answers

Answer:

The study is an observational study because the researcher is simply collecting data from the students.

Explanation:

This case is an observational study since the medical investigator is observing and comparing individuals regarding a difference in systolic blood pressure levels between males and females.

For the study to be an experiment, the researcher should do an intervention on the students, to then collect data and study the effects of it. Also, he should group the students by chance to properly conduct an experiment.

Reduce, reuse, recycle! These buzz words fuel the green movement that keeps tabs on Earth's environmental health. We can help by using ______________ batteries, an alternative that keeps toxic heavy metals out of landfills and Earth's water system as well as being a good idea economically.

Answers

Try Rechargeable Batteries

What is one of the differences between the erosion of riverbeds and the erosion of glaciers?The riverbed erodes into an L-shaped valley, whereas the glacier erodes into a W-shaped valley.
The riverbed erodes into a U-shaped valley, whereas the glacier erodes into a V-shaped valley.
The riverbed erodes into a V-shaped valley, whereas the glacier erodes into an L-shaped valley.
The riverbed erodes into a V-shaped valley, whereas the glacier erodes into a U-shaped valley.

Answers

The correct statement is the fourth one. The riverbed erodes into a V-shaped valley while the glacier erodes into a U-shaped valley. Glaciers and rivers have tributaries or small rivers that join the main river. For glaciers, as it erodes deeper, the small river is left higher up the steep sides. For rivers, as it erodes, ridges of land form in its upper course.

An organelle inside eukaryotic cells where the dna is located

Answers

the answer is the nucleus
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