For the London Broil we used flank steak. We trimmed the fat and the connective tissue from the
beef. For our marinade we used vegetable oil, lemon juice, salt, black pepper and dried thyme. We
combined our marinade ingredients i
For the golf outing we made appetizers, notably, crab puffs and filet minon with a red cabbage
topping. We worked in the kitchen preparing the platters and worked the floor explaining to guests what
was on each platter. The guests
Sauted Chicken Tomatoes and Mushrooms
For the sauted chicken with tomatoes and mushrooms we used 2 lbs of chicken, salt, pepper
and vegetable oil. We cut the chicken into 8 pieces using a special technique. We then lightly seasoned
Zucchini Saut Provenale
We prepared the Zucchini Provenale by using 3 lbs of Zucchini, olive oil, onions, garlic,
chopped parsley, salt and white pepper. We washed the Zucchini and used a special knife to cut the
zucchini crosswise into this
Chedder Broccoli Soup
For the Cheddar Broccoli soup we used chicken stock, broccoli, onions, milk, heavy cream,
clarified butter and flour. We brought the stock to a boil in a sauce pot and let the soup simmer until the
vegetables were tender
Construction of a food web
Some students made a survey of a pond like the one shown below.
After many visits they put together their results in this list:
Hydra feeds on water fleas
Diving beetles feed on water fleas and on mayfly larvae
Once scientists began to understand the processes involved in
reproduction and inheritance, they began to try to control these
processes for the benefit of humans. This exercise tests your recall
of some of the key
a A scientist had noticed that some plants were never bothered
by insects. He was interested in whether the plants contained
their own natural insecticide. He ground up the plants so that he
could collect the natural
Growing plants as food for humans
Crops are plants grown for humans, or their domestic animals, to
eat. Food scientists are interested in the composition of different
food crops, and how alternative crops plants might be developed.
Animals and plants in biotechnology
The first successful genetic engineering experiments were
conducted as recently as 1973 a gene from one bacterium was
transplanted into another one, and was shown to work in the
new host. In 1977 somatos
Animals in medical research What do you think?
Animal testing (also known as vivisection) brings
about strong responses from many people, both
for and against the procedures. The role of
animal experimentation in medical research is
Human chromosomes, twins and triplets
It is possible to examine human chromosomes by taking dividing
cells from a convenient part of the body, squashing them onto a
microscope slide and staining them. An easy source of cells for this
Enzymes and industry
This exercise looks at how an understanding of the mechanism
of enzyme action can be used commercially to carry out some
important industrial processes.
There are many applications of enzyme technology to industry.
Intermediate structures lie between
two other structuresthe second toe is
intermediate to the first and third toes.
Ipsalateral structures are located
on the same side of the bodythe right
femur and tibia are ipsilateral.
Contralateral structures are on
The action of lipase
A nutritionist wanted to study the effects of temperature on the
action of the enzyme, lipase.
a Write out an equation for the activity of this enzyme.
b Where in the gut does this enzyme have its effect?
Osmosis in potato tissue
During an investigation to determine the effect of surface area
on the rate of osmosis, potato chips with the same total volume
but different surface areas were each immersed in distilled water.
The chips were firs
Classification and the big cats
a The system for giving all living things a name in Latin was
suggested by a scientist called Linnaeus. Linnaeus gave each
living organism a two part name, so his method was called the
Binomial (two-name) S