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11Alexandr11 [23.1K]
3 years ago
7

Help please i need the answer for this pretest!

Biology
2 answers:
natali 33 [55]3 years ago
4 0
B, (layer C is the youngest layer) :)
inessss [21]3 years ago
3 0

Answer:

C) D!ke k is older than layer I

Explanation:

it seems as if k was there before everything else. due to the fact that it seems to be the lowest level.

it didnt let me put d i k e

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What type of material is the cell membrane made of
victus00 [196]

Answer:

They contain a variety of biological molecules, notably lipids and proteins.

Explanation:

4 0
2 years ago
Why is VRBA (Violet red bile agar) only pasteurized rather than sterilized prior to use?
Georgia [21]

Answer:

Explanation:

This is because Violet and red bike is only a selective medium that detect and analyse lactose coliform microorganisms that cause fermentation and this is present in diary products like milk. This is milk use for microbiological analysis of milk because of it ability to detect lactose which is a milk sugar. There fore it cannot be use for sterilization.

4 0
3 years ago
Water-soluble and fat-soluble vitamins differ in which way
ddd [48]
<span>Water-soluble vitamins are much more easily stored in the body, but they are only required up to a certain amount. Anything extra is secreted or excreted. Fat-soluble vitamins, on the other hand, are stored in the body when an excess is taken in: this can lead to a toxic level in some instances.</span>
8 0
4 years ago
Sweet yellow tomatoes with a pear shape bring a high price per basket to growers. Pear shape, yellow color, and terminal flower
Vitek1552 [10]

Answer and Explanation: The farmer has a pure-breeding line of tomato means the farmer has a tomato with genotype FFrrtt while the other line of tomato has genotype ffRRTT.

The cross between these lines gives a F1 generation of heterozygous full, red and axial or FfRrTt.

With an individual of F1 crosses with another individual of F1, the Punnet Square will be:

FfRrTt x FfRrTt

1) Dividing each characteristics, for simplicity:

          F         f

F       FF       Ff

f        Ff        ff

          R       r

R       RR     Rr

r        Rr      rr

         T      t

T       TT   Tt

t        Tt     tt

Analysing Punnett squares, we notice the line wanted (ffrrTT) will be produced, when an individual of F1 generation cross with another individual with the same generation.

       

4 0
4 years ago
How long will it take a cross country runner to cover a distance of 350 meters at a speed of 17.5 m/min?
kherson [118]

Answer:

20 minutes

Explanation:

Divide distance by speed to get time

D/S = t

350/17.5 = 20

(Just an fyi you posted this in biology)

3 0
3 years ago
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