Science/Biology

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Osmosis

A passive movement of water molecules through a semi permeable membrane. Water moves from an area of low solute concentration to high solute concentration

Active Transport

An active movement where an input of energy is required. Particles move from low concentration to high concentration

DNA exists in its form of ____ strands of DNA coiled about each other

Double

A cell uses what to accelerate chemical reactions enabling its metabolic machinery to operate?

Enzymes

Genes are located within the cytoplasm of the cell? T or F

False

What does Homozygous dominant mean?

It has two dominant

what does heterozygous mean?

It refers to a pair of genes where one is dominant and one is recessive.

Dna functions in the transfer of information from the nucleus to cytoplasm by way of what?

Ribonucleic Acid

Diffusion

The passive movement of particles from an area of high concentration to low concentration. This happens along a concentration gradient

The net effect of photosynthesis, chemically, is reduction, leading to the formation of simple carbohydrates and accompanied by a release of oxygen, True or False?

True

Plasmolyse

When a cell has shrunk

What does homozygous mean?

When an individual has two of the same allele?

Which of the following is not part of the metabolic sequence? a. Photosynthesis b. Respiration check c. Hydoplasm d. Digestion

c. Hydoplasm

The major parts of a cell are the? a. surrounding membrane b. surrounding membrane and cytoplasm c. surrounding membrane, cytoplasm and nucleus d. surrounding membrane, cytoplasm, nucleus and mitochondria

c. surrounding membrane, cytoplasm and nucleus

The functional unit of hereditary is the_____

gene

A cell membrane is what?

semipermeable

What are the two kinds of cells?

Eukaryotic and prokaryotic

What does Homozygous recessive mean?

It has two recessive

Facilitated Diffusion

A passive movement of particles from high to low concentration through a protein channel in a cell.

Light initiates different types of cellular reactions. Which of the following responses to light converts the energy from light into a gain of potential energy? a. Phototaxis b. Photoperiodism check c. Photosynthesis d. All of the above

Photosynthesis

There are two types of cells? T or F

True


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