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3 years ago

What ingredients in macconkey agar supplies carbon?

1 answer:

7 0

Peptones and beef extract

MacConkey agar is a selective and differential culture medium for bacteria designed for isolation of Gram negative and usually enteric bacilli, based on their ability to ferment lactose. It contains bile salts, crystal violet, neutral red dye. There are many variations of MacConkey agar depending on the need. This medium was developed by Alfred Theodore MacConkey. This agar can distinguish gram negative bacterias that can ferment. This is known as the indicator medium.

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Discribe 2 different types of bird nests and list their forms and functions

valina [46]

Answer:

there r not only 2 types of nests

Cup nest.

Adherent nests.

Platform nests.

Earth-hole nests.

Ground and mound nests.

Scrape nests.

Explanation:

6 0

3 years ago

What is the major force that drives the water cycle?

suter [353]

Answer:

Sun

Explanation:

The hydrological cycle is most like mainly propelled by solar energy. By evaporating water from the oceans, lakes, rivers, and even the surface, solar energy powers the cycle. Other water is lost from plants to the atmosphere resulting of the transpiration.

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3 years ago

What is one way that stress can affect homeostasis?

siniylev [52]

Answer: disrupts ability to fight disease

Explanation: Stress may disrupt homeostasis. Your heart may beat more rapidly or your breathing may increase because your stress, disrupting homeostasis.

8 0

3 years ago

Read 2 more answers

Type the correct answer in the box.

ivanzaharov [21]

Answer:

25 degree celcius

Explanation:

formula

(given degree Fahrenheit - 32)×5÷9

(77 - 32)× 5÷9

= 25°C

8 0

3 years ago

In ________, the sequence of bases in DNA determines the sequence of bases in mRNA, and the process occurs in the ________.

chubhunter [2.5K]

Answer: transcription, nucleus

Explanation:

In eukaryotic cell the process whereby the sequence of DNA bases is used to determine the sequence of bases in mRNA us called transcription and it occurs in the nucleus.

The DNA serves as the template strand. RNA polymerase binds to the promoter on the template DNA strand and synthesizes mRNA with RNA nucleotides. Genetic information of DNA is transcribed to messenger RNA. In eukaryotes this process occurs in the nucleus.

7 0

3 years ago