First Semester Review |
What is the study of life called? |
What are the smallest units that can carry on life functions called? |
Living things are composed of ______________. |
Give an example of a scientific observation. |
What is a hypothesis? |
What 3 things compose an atom? |
Matter is made of ________________. |
When atoms gain energy, what happens to electrons? |
Do cells contain a few or thousands of different kinds of enzymes? |
__________________ reactions are important in organisms because they allow the passage of energy from one molecule to another. |
What is a polar molecule? |
Water molecules break up other polar substances. Give an example of such a polar molecule. |
What happens to ionic compounds in water? |
Which is not a carbohydrate —– glycogen, steroids, cellulose, or sugars? |
Amino acids are the monomers for making ________________. |
Is ice an example of an organic molecule? |
The type & order of the amino acids determines the ___________ of a protein. |
Very active cells need more of which organelle? |
What organelle is the packaging & distribution center of the cell? |
What membrane surrounds the nucleus? |
What is the function of mitochondria. Sketch their shape. |
Where is chlorophyll found in plants? |
Diffusion takes place from ________________ concentration to ___________. |
If a cell has a high water content, will it lose or gain water? |
Ink dispersing in a beaker is an example of ________________. |
Very large molecules enter cells by a process called ________________. |
Endocytosis and exocytosis occur in ______________ directions across a cell membrane. |
What is photosynthesis? |
Where do the dark reactions of photosynthesis take place? |
When chlorophyll absorbs light energy ATP is made and what other energy carrying molecule? |
When chlorophyll absorbs light energy, what happens to its electrons? |
_______________ molecules are responsible for the photosystems. |
Electrons that have absorbed energy & moved to a higher energy level enter what chain? |
When cells break down food molecules, energy is temporarily stored in what molecule? |
When muscles do not get enough oxygen, what acid forms during exercise? |
If you are growing bacteria in a culture and lactic acids starts to form, the bacteria are not getting enough of what gas? |
The 2 stages of cellular respiration are _____________ & oxidative respiration. |
Citric acid forms in which cycle during cellular respiration? |
ATP molecules are formed inside what cellular organelle? |
The first filial generation is the result of a __________________ cross. |
If a genetic trait appears in every generation is it dominant or recessive? |
When Mendel crossed pea plants & looked at 2 different traits (flower color & plant height), did the inheritance of one trait influence the other? |
If a heterozygous individual is crossed with a homozygous recessive individual, how many phenotypes will result? |
What is the expected genotypic ratio from a homozygous dominant X heterozygous monohybrid cross? |
List several reasons for genetic counseling. |
If a genetic disorder is found equally in males & females, is it autosomal dominant or recessive? |
If both parents carry the gene for cystic fibrous, what is the chance that their child will develop the disease? |
If a trait is sex-linked, will it occur more often in males or females? |
If a gene is located on the X-chromosome, it is said to be ________________. |