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AnnyKZ [126]
3 years ago
15

Form a hypothesis: how do you think the number of contractile vacuole contractions will change when the water solute concentrati

on is reduced? explain why you think so.
Biology
1 answer:
puteri [66]3 years ago
5 0
When the number of vacuole contractions will increase, the water solute concentration is reduced. But when the water solute concentrations rise, the number of vacuole contraction will decrease. So it is cetris paribus, means when the one is increase the other one will decrease. It is always contradicting to the another one. 
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Dodder is a parasitic plant, which has roots for support and absorption of nutrients from the host plant. Determine what kind of
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The original roots of dodder usually die. As a parasitic plant that cannot produce its own chlorophyll, it breaks away from its root system as the roots has no apparent root cap nor apical meristems. Hence the "root" is not performing its very function of water and nutrient uptake. It then produces haustoria, a root-shaped fungi which penetrates host plant which makes the dodder parasitic.
4 0
3 years ago
May I know what bird this is? ​
klemol [59]

the bird is a barn swallow.

8 0
3 years ago
Alkaptonuria is an infrequent autosomal recessive condition. It is first noticed in newborns when the urine in their diapers tur
Arisa [49]

Answer:

See the answer below

Explanation:

Let the disorder be represented by the allele a.

Since the disease is an autosomal recessive one, affected individuals will have the genotype aa and normal individuals will have the genotype Aa or AA.

Since the four adults are carriers, their genotypes would be Aa.

                    Aa     x     Aa

Progeny:    AA    2Aa    aa

Probability of being affected = 1/4

Probability of being a carrier = 1/2

Probability of not being affected = 3/4

(a) The chance that the child second child of Mary and Frank will have alkaptonuria = 1/2

(b) The chance that  the third child of Sara and James will be free of the condition = 3/4

(c)

(d) If someone has no family history of the disorder, their genotype would be AA.

                 AA     x     aa

                        4 Aa

<em>The chance that a child with alkaptonuria will have an offspring with alkaptonuria if the child's mate has no family history </em>= 0

(e)

(f) <em>The chance that a child with alkaptonuria will have an offspring with alkaptonuria if the child's mate has no family history</em> = 0

5 0
3 years ago
Which terms correctly identify the indicated structures in this
hammer [34]
I hope this picture helps you

8 0
2 years ago
Question 15 (1 point)
lianna [129]

Answer:

The answer is C (UAAGCUCGU)

Explanation:

T is replaced by U in RNA and A and U "bind". In this case, we're looking for the complementary RNA strand, so all terms are opposite; G becomes C, A becomes U, etc.

8 0
2 years ago
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