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Svet_ta [14]
3 years ago
9

Prokaryotes contain all of the following except _____.

Biology
1 answer:
777dan777 [17]3 years ago
8 0
Nucleus would be your answer
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What field is used to classify organisms
algol13
That field is called taxonomy (biology)
5 0
3 years ago
Prokaryotes whose cell walls do not contain peptidogly can
masya89 [10]

Answer:

Archaebacteria

Explanation:

Archaebacteria is a group of single-celled organism present on the earth which are thought to be descended from the ancient bacteria.

These bacteria can survive the extreme or harsh conditions present on the Earth-like in the hot springs.

The archaebacteria cell membrane is made up of ether-linked phospholipids which are ester-linked in Eubacteria and eukaryotes.  The sugar present in the archaebacteria is very similar to peptidoglycan in composition but it is not peptidoglycan.

Thus, Archaebacteria is the correct answer.

4 0
3 years ago
One difference between cancer cells and normal cells is that cancer cells ________.
fredd [130]
<span>continue to divide even when they are tightly packed together.
Hope this helps(;</span>
4 0
3 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
Assume that the growing polypeptide chain of amino acids being produced represents an enzyme humans use to help digest starch. T
arlik [135]

Answer:

B) nuclei of gland cells.

Explanation:

DNA carries the blueprint for the production of all the proteins including enzymes in human beings. Humans are eukaryotes and their DNA is present in the nucleus of their cells. All the cells that make the complex human body are derived from division in the zygote and therefore, are genetically identical and have the same DNA.

However, gene expression is regulated by the expression of specific genes in specific cells and at a different time of developmental stages. Amylase is the enzyme that digests starch in humans. Amylase is secreted by salivary glands. So, the nuclei of these glands would have genetic information for the synthesis of amylase.

3 0
3 years ago
Read 2 more answers
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