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3 years ago

I’m what ways are the roots and stems of a plant alike and different?

2 answers:

6 0

One simple difference is that stems bear leaves, and roots don't. ... Similarity: Both stems and roots contain vascular tissues (xylem and phloem), the circulatory system of the plant. Difference: In herbaceous stems, the vascular tissues are contained in bundles; these bundles sit relatively near the surface of the stem.

RideAnS [48]3 years ago

4 0

The roots of a plant sucks up the nutrients from the water in the ground and stems carry the nutrients up to the leaves, they both carry nutrients. They both have different jobs though, as I said one Carry's the nutrients and the other takes in the nutrients to the leaves.

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Which organelle is responsible for synthesizing proteins

aivan3 [116]

Ribosomes synthesize proteins

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2 years ago

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farenholz's rule is supported when group of answer choices a comparison of phylogenies for host and parasite show a correlated p

coldgirl [10]

Fahrenholz's rule is supported when: comparison of phylogenies for host and parasite show a correlated pattern of evolution

<h3>What is Fahrenholz's rule ?</h3>

The close correspondence is observed between the taxonomy of parasites and their hosts and this has led to Fahrenholz's rule. This rule postulates that parasites and the hosts speciate in synchrony.

This leads to a prediction that phylogenetic trees of parasites and their hosts are topologically identical.

when the only events in the process of reciprocal natural selection in the host and parasite lineages were those of contemporaneous speciation in both the lineages then host and parasite phylogenies are fully congruent, hence supporting Fahrenholz'srule.

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6 months ago

Watson and Crick first built a triple-helix model of DNA. In this model, the nitrogenous bases were on the outside of the DNA mo

Sedaia [141]

Because it makes accessing them easier for the cell, it is assumed that the bases will be on the outside of the DNA molecule.

<h3>What is DNA molecule?</h3>

Because the two DNA strands are made up of simpler monomeric units termed nucleotides, they are referred to as polynucleotides.
Each nucleotide is made up of a phosphate group, a deoxyribose sugar, and one of the four nitrogen-containing nucleobases (cytosine [C], guanine [G], adenine [A], or thymine [T]).
An alternating sugar-phosphate backbone is created when the nucleotides are linked together in a chain by covalent connections (also referred to as the phospho-diester linkage) between the sugar of one nucleotide and the phosphate of the next.
To create double-stranded DNA, the nitrogenous bases of the two distinct polynucleotide strands are joined by hydrogen bonds in accordance with the base pairing principles (A with T and C with G). Pyrimidines and purines make up the two families of complimentary nitrogenous bases.

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1 year ago

7. Shivering is one way to maintain a stable external environment.<br><br> TRUE or FALSE ?

Inessa05 [86]

Answer:

True!

Explanation:

I hope it helped you!!

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2 years ago

In certain rats, black fur is dominant over white fur, If two rats that are both heterozygous for fur colored are mated, what wo

zavuch27 [327]

Answer:

Three different genotypes and two different colors

Explanation:

Because both rats have heterozygous genes, meaning they have 2 different alleles, ex: "Yy") The offspring can have different genotypes and colors because the parents have heterozygous genes.

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2 years ago