3 years ago

Describe the passage of a meal containing bread through your digestive system

1 answer:

7 0

Before your food passes from the mouth and down your esophagus, salivary amylase, an enzyme in saliva, begins to digest the starch in your bread. That is the start of chemical digestion. ... The passage of the bolus through the esophagus to the stomach occurs by peristalsis, a series of wave-like muscle contractions.

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Explain the difference between somatic cells and gametes

Marizza181 [45]

Answer:

somatic:any cell of a living organism other than the reproductive cells.

gametes:a mature haploid male or female germ cell which is able to unite with another of the opposite sex in sexual reproduction to form a zygote.

Explanation:

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3 years ago

______ were the first plants that did not require water for transferring sperm to eggs.

givi [52]

Answer:

ferns

Explanation:

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3 years ago

Which statements describe foliated rocks? Check all that apply.

astraxan [27]

Answer:

Examples include gneiss and slate

Grains form in parallel layers

Grains may form in curved, wavy layers

Explanation:

I just did it on edge

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3 years ago

Read 2 more answers

Which of the following statements about deuterostomes is false?

antiseptic1488 [7]

All deuterostomes are triploblastic and have three tissue layers.

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3 years ago

One alternative to autoclaving for sterilization of liquids is filtration. Imagine that you are using a filter to sterilize a dr

Strike441 [17]

Answer:

c. Fungi

d. Yeast

Explanation:

Both fungi and yeast will be effectively removed by a 0.22 micron pore size filter.

<em>The size of microscopic fungi ranges from 2 to 10 microns while the size of yeast ranges from 3 to 4 microns in diameter. Hence, both organisms will be effectively filtered off by a 0.22 micron filter paper.</em>

The size of bacteria ranges from 0.2 to 2 microns while that of virus is in nanometer. Hence both cannot be effectively removed by a 0.22 micron pore size filter paper.

The correct options are c and d.

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3 years ago