Quizizz #6 (2021 - 2022) Living Environment

A student prepared a slide of pollen grains. 1st the pollen was viewed through the low-power objective lens and then the high power objective lens. Which statement best describes the relative number and appearance of the pollen grains observed using these two objectives?

• Low power: 25 small pollen grains

  High power: 100 large pollen grains

• Low power: 100 small pollen grains

  High power: 25 large pollen grains

• Low power: 25 large pollen grains

  High power: 100 small pollen grains

• Low power: 100 large pollen grains

  High power: 25 small pollen grains

Most of the starch stored in the cells of a potato is composed of molecules that originally entered these cells as

• enzymes

• simple sugars

• amino acids

• minerals

The breathing rate, heart rate, and blood hormone levels of a human would most likely provide information about human

• cellular organization

• inheritance

• nutrition

• metabolism

What is the major component of plasma membranes?

• lipids

• carbohydrates

• nucleotides

• proteins

The diagram below represents a protein molecule present in some living things. This type of molecule is composed of a sequence of

• amino acids arranged in a specific order

• simple sugars alternating with starches arranged in a folded pattern

• large inorganic subunits that form chains that interlock with each other

• four bases that make up the folded structure

What is the volume of water represented in the graduated cylinder shown?

• 10.3 mL

• 13.0 mL

• 14.0 mL

• 15.0 mL

This process takes large molecules and makes them smaller

• excretion

• photosynthesis

• diffusion

• digestion

Reasons for conducting peer review include all of the following except

• analyzing the experimental design

• pointing out possible bias

• identifying an illogical conclusion

• changing data to support the hypothesis

If a human system fails to function properly, what is the most likely result?

• a stable rate of metabolism

• a disturbance in homeostasis

• a change in the method of cellular respiration

• a change in the function of DNA

As a result of which process does a plant make chemical substances such as poisions, drugs, and flavorings?

• digestion
• excretion
• synthesis
• respiration