Regents 1

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the diagram below, which represents a metabolic process, and on your knowledge of biology. The letter X in the process represents

an enzyme

The diagram below represents changes that take place within the human body. The diagram represents

dynamic equilibrium

The setup below shows four test tubes. Tube 1 contains water only. Tube 2 contains a live snail. Tube 3 contains a live green water plant. Tube 4 contains both a live green water plant and a live snail. Which compound that directly provides energy in living cells is being produced in every tube where cellular respiration is occurring?

ATP

Which statement regarding respiration is correct?

All living organisms carry out some form of respiration.

The delivery of oxygenated blood to all tissues around the body involves what two life functions?

Respiratory and circulatory

The diagram below represents a sequence of events that occurs in the human body throughout the day. These events can best be described as an example of

a feedback mechanism

Which row in the chart below contains correct information concerning synthesis?

amino acids, enzyme

Which system in a multicellular organism functions most like the cytoplasm in a single celled organism?

circulatory

ATP is a compound that is synthesized when

energy stored in chemical bonds is released during cellular respiration

In the diagram to the right, the arrows show the direction of movement of various substances. Which of the cell's life activities are represented by the arrows?

excretion, transport, and respiration

A small lizard spends the morning hours lying in the sunlight until its body temperature rises. Later on in the day, the lizard rests in a shady area until its body temperature cools. This type of behavior is important to

maintain homeostasis

The breathing rate, heart rate, and blood hormone levels of an individual would directly provide information about that individual's

metabolic activity

Which term is defined as all the chemical reactions that are required to sustain life?

metabolism

Homeostasis is maintained in a single-celled organism by the interaction of

organelles

Which process is a form of autotrophic nutrition?

photosynthesis

Which group contains only molecules that are each assembled from smaller organic compounds?

proteins, DNA, fats, starch

During gas exchange, the cell membrane of a single-celled organism has the same function as which organ system in humans?

respiratory

In which process are simple materials chemically combined to form more complex materials?

synthesis

The setup below shows four test tubes. Tube 1 contains water only. Tube 2 contains a live snail. Tube 3 contains a live green water plant. Tube 4 contains both a live green water plant and a live snail. In this setup, which tubes contain at least one organism carrying on cellular respiration?

tubes 2, 3, and 4, only

the diagrams below and on your knowledge of biology. The diagrams represent some of the systems that make up the human body. A similarity between these systems is that they all

work together to maintain a stable internal environment


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