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Marizza181 [45]
3 years ago
7

Water molecules are ____________ due to _________bonding. This property helps water molecules to stick to each other and allows

for the movement of water from plant roots up to plant leaves. A) cohesive; ionic B) cohesive; hydrogen C) adhesive; hydrogen D) adhesive; covalent
Biology
2 answers:
Gekata [30.6K]3 years ago
8 0
Water molecules are COHESIVE due to HYDROGEN bonding. This property of water allows the individual molecules to stick to each other and allows for movement of water from roots to leaves. 

The correct answer is B. 
Water has certain qualities that allows it to be incorporated into the bodies of living organisms. Water forms hydrogen bonds because it is a polar molecule. The formation of these bonds leads to the cohesive nature of the substance making it suitable as a biological solvent. 
oksian1 [2.3K]3 years ago
4 0
B i have the same thing
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The correct answer is option A, that is, the number of yellow leaves.  

An independent variable refers to the variable, which is monitored or modified in a scientific experiment to examine the influences on the dependent variable. A dependent variable refers to the variable being measured and examined in a scientific test. Hence, in the given case, the number of leaves getting yellow is a dependent variable.  

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Huntington Disease is an autosomal recessive condition. Which percentage
Ksju [112]

Answer:

The options to this question are unclear but the answer is: Hh, Hh, hh, hh i.e Hh (50%), hh (50%).

Explanation:

This question involves a single Gene coding for the possession or not of Huntington's disease in humans. The disease is said to be an autosomal recessive condition i.e. it only happens in a recessive state (hh).

According to this question, when a female with Huntington disease (hh) mates with a male that is heterozygous (Hh) for the Huntington trait, the following gametes will be produced by each parent.

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Using these gametes in a punnet square (see attached image), the following genotypic combination of offsprings will be produced.

Hh, Hh, hh and hh

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hh = 50%

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