bio

The kidney of a dolphin is considered an organ because it is composed of different

tissues.

The figure below represents the formation of a ________ by the process of ________Blank.

triglyceride; dehydration synthesis

Sugar dissolves in coffee because

water is a good solvent.

Which of the following classification categories for humans is correct?

Homo: genus

How does a strong acid differ from a weak acid?

A weak acid dissociates only partially in water.

Hydrolysis of maltose, a disaccharide, results in

two monosaccharides.

Alpha helix and beta pleated sheet are characteristic of

secondary structure in proteins.

The principle role for sugars in living things is to

serve as a form of immediate cellular energy.

Which of the following correctly lists the classification categories from most to least inclusive?

species, genus, family, class, order, domain, phylum, kingdom

he number of neutrons present in the nucleus of an average atom of any given element is best estimated by

subtracting the number of protons from the mass number.

Which of the following statement(s) is not a true statement with respect to scientific theory?

Theories are accepted explanations for how the world works.

How are lipids different from other categories of biological molecules?

They are hydrophobic.

Which of the following statement(s) regarding genes is/are true?

Variations in genes are the result of mutations.Variations in genes are the result of mutations. Correct

Which of the following levels of biological organization is correctly matched with an example?

a tropical rain forest with rain, sunlight, trees, insects, and animals - ecosystem

A gene is the code for assembling a sequence of

amino acids.

All atoms of the same element have the same

atomic number.

The scientific method

begins with observations.

The four main categories of organic macromolecules are

carbohydrates, lipids, proteins, and nucleic acids.

Select the correct association.

carbohydrates—include glucose, sucrose, and starch

A triglyceride is formed when three fatty acids join a glycerol by

dehydration synthesis reactions.

An atom's valence electron shell

determines its chemical reactivity.

Which of the following levels of organization include the physical environment

ecosystem

In science, a theory

encompasses many hypotheses.

An atom with a neutral charge has

equal numbers of protons and electrons

Is the following statement true or false? All single-celled organisms are prokaryotes.

false, because some eukaryotes are single-celled

Is the following statement true or false? The scots pine (Pinus sylvestris) and the black pine (Pinus nigra) belong to the same species.

false, because the specific epithet is different

In general, evolutionary processes lead to organisms that

function well in a given environment.

Humans store glucose in the form of

glycogen

If a material mixes readily with water, it is identified as

hydrophilic.

The type of bond that would form from the transfer of an electron from one atom to another is a(n) ________Blank bond.

ionic

In sickle-cell disease, malformation of red blood cells

is caused by only one error in the genetic code for hemoglobin.Correct

Which of the following can be categorized as prokaryotic?

kingdom Animalia

Which of the following correctly lists the parts of a nucleotide of RNA?

nitrogen-containing base, ribose, phosphate

A saturated fat has

no double bonds.

Which nitrogen-containing base is found in DNA but not in RNA?

thymine

Based on the evolutionary tree of the three domains, which of the following statements is true?

All three domains have a common ancestor.

Which of the following is a property of bases?

Bases feel slippery when touched.

Which of the following elements are found in glucose?

C, H, O

Deoxyribose is a sugar found in

DNA

Which of the following is a true statement about proteins?

Proteins are used to produce many types of hormones.

Which kingdom includes both unicellular and multicellular organisms?

Protista

Wood and paper are composed of

cellulose.

Phylum Mollusca is broken into subgroups which include both Cephalopoda (e.g., squid and octopus) and Bivalvia (e.g., clams and mussels). As a result, Cephalopoda and Bivalvia most likely belong to which classification category?

class

When populations of different types of organisms interact in a given area, they comprise a(n)

community.

Sucrose, C12H22O11, is best described as a(n)

compound

All the chemical reactions that occur in a cell are collectively called

metabolism.

Living organisms must constantly take in energy in order to power functions necessary to remain alive. All of the chemical reactions that involve energy conversions within a cell are called

metabolism.

In a dehydration reaction, _____ In order for this to occur water is _____

monomers are joined to become a polymer; removed

Elements that differ in their _____ are known as isotopes.

neutron number

Scientists were studying if white-nosed syndrome is responsible for the deaths of millions of American bats. Scientists hypothesized that white-nose syndrome, caused by the fungus Pseudogymnoascus destructans, makes bats die by increasing the amount of energy they use during winter hibernation. What would be the best control group for this study

non-infected male and female bats hibernating in America

Scientists were studying if white-nosed syndrome is responsible for the deaths of millions of American bats. Scientists hypothesized that white-nose syndrome, caused by the fungus Pseudogymnoascus destructans, makes bats die by increasing the amount of energy they use during winter hibernation. What would the test group be in this experiment?

non-infected male and female bats hibernating in Europe

The polymer shown below is comprised of what kind of subunits?

nucleotides

Which answer choice lists the steps of the scientific method in the correct order?

observation, hypothesis, prediction, experiment, conclusion

Which of the following correctly lists the levels of biological organization from most complex to simplest?

organism, organ system, organs, tissues, cells

Starch is a _made of many _____

polymer; glucose molecules

Which of the following is in correct order from largest to smallest?

polypeptide - dipeptide - amino acid

Which word should be categorized separately from the others?

glycogen

Organisms that transform solar energy into chemical energy are called

producers.

For metabolic processes to occur within their cells, all living organisms need to maintain homeostasis which means they need

to maintain the correct internal temperature, moisture level, and acidity as well as other factors.