Biology

All new and solved questions in Biology category

2 answers

What is the correct order of electron transport compounds

What is the correct order of electron transport compounds...
4 answers

Ligaments are very strong but resistant to stretch. which protein fiber probably predominates?

Ligaments are very strong but resistant to stretch. which protein fiber probably predominates?...
4 answers

Heating and changing pH levels are two ways to disrupt the shape of a protein. High temperatures or pH levels that vary from the natural

Heating and changing pH levels are two ways to disrupt the shape of a protein. High temperatures or pH levels that vary from the natural environment of the protein will break hydrogen bonds, ionic bonds, disulfide bridges, and hydrophobic interactions. Covalent bonds will usually remain undisturbed....
4 answers

Legumes, a type of plant, require Rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen. Rhizobia use the

Legumes, a type of plant, require Rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen. Rhizobia use the legumes for food. What would most likely happen to the legume population if Rhizobia suddenly became extinct? become extinct learn to fix nitrogen benefit in the lon...
4 answers

Suppose you are studying two small lakes (lake 1 and lake 2) and how they change over time. A nearby farm accidentally spills fertilizer

Suppose you are studying two small lakes (lake 1 and lake 2) and how they change over time. A nearby farm accidentally spills fertilizer into lake 1. Around the same time, a non-native fish-eating turtle is introduced into lake 2. The ecosystems of both lakes are affected by these changes. What proc...
9 answers

What happens to carbon when fossil fuels are burned

What happens to carbon when fossil fuels are burned...
4 answers

Thioesters are similar to oxygen esters of carboxylic acids EXCEPT that . They are more stable at neutral pH values in cells They

Thioesters are similar to oxygen esters of carboxylic acids EXCEPT that . They are more stable at neutral pH values in cells They are less stable because S is present instead of O in the linkage The energy associated with their hydrolysis is much less than that of the phosphoanhydride in ATP They ar...
4 answers

Please select all of the statements which are true regarding isolated colonies. Group of answer choices The colony results from a

Please select all of the statements which are true regarding isolated colonies. Group of answer choices The colony results from a single cell or a cluster of cells multiplying into a visible mass The cells within a single colony are all the same species Isolated colonies form in liquid nutrient medi...
3 answers

Is a human being an isolated, closed, or open system?

Is a human being an isolated, closed, or open system?...
3 answers

The cellular organization and extracellular environments of plants and animals are very different. true or false?

the cellular organization and extracellular environments of plants and animals are very different. true or false?...
4 answers

Human eggs and sperm each contain 23 , which are composed of long strands of .

Human eggs and sperm each contain 23 , which are composed of long strands of ....
4 answers

Enzymes use several types of catalytic mechanisms. differentiate between acid-base catalysis, covalent catalysis, and metal ion catalysis.

enzymes use several types of catalytic mechanisms. differentiate between acid-base catalysis, covalent catalysis, and metal ion catalysis....
4 answers

One clade of algae called are the closest algal relatives of green plants based on molecular and morphological data. Because they

One clade of algae called are the closest algal relatives of green plants based on molecular and morphological data. Because they have a life cycle, this indicates that the life cycle evolved plants invaded land. The is a group of approximately species whose cells have connections called sim...
4 answers

How does matter cycle during fermentation? Define what the reactants and products are and how those products are used in the cell.

How does matter cycle during fermentation? Define what the reactants and products are and how those products are used in the cell....
7 answers

Which molecule synthesized by plants is a major source of energy

Which molecule synthesized by plants is a major source of energy...
4 answers

In corn, a dihybrid for the recessives a and b is testcrossed. The distribution of the phenotypes is as fol- lows: AB 122 Ab 118 aB

In corn, a dihybrid for the recessives a and b is testcrossed. The distribution of the phenotypes is as fol- lows: AB 122 Ab 118 aB 81 ab 79 Test the hypothesis that these genes are assorting independently using a chi-square test. Explain tentatively any deviation from expected values, and tell how ...
10 answers

Carbohydrates are more easily metabolized than lipids:

Carbohydrates are more easily metabolized than lipids:...
4 answers

3. In the course of the nitrogen cycle, are nitrogen atoms ever created?Destroyed? Explain why or why not. Explain please

3. In the course of the nitrogen cycle, are nitrogen atoms ever created? Destroyed? Explain why or why not. Explain please...
3 answers

In photosynthesis, plants use carbon from to make sugar and other organic molecules.

In photosynthesis, plants use carbon from to make sugar and other organic molecules....
2 answers

The term aerotolerant anaerobe refers to an organism that:

The term aerotolerant anaerobe refers to an organism that:...

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