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Blababa [14]
3 years ago
11

When solutes move AGAINST their concentration gradient (move from LOW concentrations to HIGH concentrations), it must use ______

_________________ to power its movement.
Biology
1 answer:
mina [271]3 years ago
4 0
Energy. A solute can only move against concentration gradients using active transport which requires energy
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Which data would not affect maximum likelihood estimates of phylogenies when comparing different tree hypotheses?.
Leona [35]

The set of species derived from one common ancestor.

To build phylogenetic trees, a variety of data can be employed, including genetic information, mitochondrial DNA sequences, ribosomal RNA genes, and any relevant genes, as well as morphological information such as structural characteristics, organ kinds, and specific skeletal arrangements

<h3>What is a Phylogenetic tree ?</h3>

A phylogenetic tree, also called a phylogeny, is a diagram that shows the evolutionary branches from which various species, creatures, or genes have descended from one another.

  • A phylogenetic tree can be used to track a species' evolutionary history back via the tree's branches and find their common ancestors along the way.

  • A lineage may preserve some of its ancestors' characteristics over time, but it will also change over time to accommodate the environment.

Learn more about Phylogenetic tree here:

brainly.com/question/9966170

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7 0
2 years ago
A certain type of flower has two alleles for color (blue, purple), and two alleles for stem height (tall, short). A tall blue fl
larisa86 [58]

Answer:

Mendel's law of independent assortment

Explanation:

Gregor Mendel is a really important figure in genetics, his work on pea plants provided us with many of the fundamentals of genetics that we still have today!

Mendel proposed 3 laws:

1. The law of dominance - this law states that where there are two different alleles (heterozygous) the organism will always express the dominant trait over the recessive trait

2. The law of segregation - this law states that offspring will inherit one allele from each parent, because allele pairs separate in the process of meiosis, such that each gamete contains 1 allele of each trait. When the zygote is formed, it contains an allele from each parent.

3. The law of independent assortment - this law states that traits are independent from one another at the time of gamete formation. The genes are segregated separately from one another, as the presence of one does not impact the presence of another.

This example shows that all combinations of the height and color allele are possible, and therefore nicely demonstrates the law of independent assortment

6 0
3 years ago
€‹police officers often have high levels of __________, otherwise known as the stress hormone.
zheka24 [161]
Biochemical stress is another factor fire
3 0
3 years ago
Do you think Peacocks would be in Hardy-Weinberg Equilibrium? Why or why not?
Slav-nsk [51]

Peacocks would not be in Hardy-Weinberg Equilibrium

Explanation:

This can be justified by the mating patterns of the female peacocks. They do not choose their mates randomly but look out specifically for bright attractive plumage in their male partners and then select them.

Hardy-Weinberg's Equilibrium of evolution mechanism was based on facts like random mating, no natural selection,  mutation, absence of gene flow, and infinite population size.

They stated that organisms mate randomly with each other without any specific or a particular preference in the phenotypes of their opposite mates

4 0
3 years ago
What is tertiary structure of proteins?
Bumek [7]

The tertiary structure of a protein refers to the overall three-dimensional arrangement of its polypeptide chain in space. It is generally stabilized by outside polar hydrophilic hydrogen and ionic bond interactions, and internal hydrophobic interactions between nonpolar amino acid side chains

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3 years ago
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