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Kay [80]
3 years ago
13

Technology has allowed us to not only see detailed structure of organelles, but it has also allowed us to see molecular machines

, carrying out highly sophisticated tasks.
true
false
Biology
1 answer:
sergey [27]3 years ago
6 0

Answer:

              The above statement is true.

Explanation:

                     Yes technology has allowed us not only to study the detailed structure of an organelle but also the molecular function perform by an organelle. e.g by using technology we easily study the molecular function of an organelle  as that of mitochondria is energy production we study it by technology like differential centrifugation is used to isolate the organelle and used to study its function. Different type of staining microscopes are used to study the organelle and to isolate them and study their basic function. Gel electrophoresis is a technique use to study DNA.

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Which of the following hormones are synthesized in the cell bodies of neurosecretory cells found in the hypothalamus? Antidiuret
bixtya [17]

Answer:

Antidiuretic hormone

Explanation:

Antidiuretic hormone that is synthesized and produced in the brain by the hypothalamus, is secreted from the pituitary gland, where it is stored. This hormone is released into the blood stream in response to changes in the water balance in the blood. This hormone helps the kidneys to control and regulate the amount of water in the blood

5 0
3 years ago
The reason that there are Okazaki fragments during DNA replication is ultimately because:
rusak2 [61]

Answer:

B) Polymerases can only synthesize in the 5' to 3' direction

Explanation:

The leading strand's directionality is 3' to 5', so polymerase has no problem with replicating this one. But the lagging strand has the opposite directionality, so the polymerase must work in the opposite direction of the replication fork.In consequence, the replication process undergoes periodic breaks, and the enzymes have to stop and start again while helicase separates both strands, resulting in the polymerization of okazaki fragments.

5 0
3 years ago
Which of the following correctly describes how the daughter cells produced during mitosis and meiosis compare to their parent ce
Leokris [45]
A, I’m pretty sure, Meiosis helps with genetic diversity
5 0
3 years ago
Read 2 more answers
Can someone help match these defenitions.
luda_lava [24]

The right matches are:

1. nuclear envelope  is matched with b.

2.centriole  is matched with  a.

3.interphase is matched with j.

4.furrowing  is matched with h.  

5.anaphase  is matched with g.

6.spindle apparatus is matched with f.

7.chromatin is matched with i.

8.haploid is matched with c.

9.meiosis is matched with e.  

10.homologous chromosomes is matched with d.


Cell division consists of the formation of two or more cells from a single cell, which ensures their numerical growth. During mitosis of a cell, each daughter cell is identical to the mother cell. During meiosis, the mother cell gives two haploid daughter cells with n chromosomes, then each of these daughter cells give two n chromatid cells.

May be some word in this exercise are not very common like:

The mitotic spindle, allows chromatid migration during cell division.

The dividing groove is the invagination of the cell surface that allows the cell to divide in two.

Centriole is a specific cell element of animal cells, which form the centrosomes located at both poles of the cell.


8 0
3 years ago
Describe the inheritance pattern of blood types. Describe the inheritance type of different hair colors. Why are each unique?
scZoUnD [109]
Pairs of Unit Factors, or Genes

Mendel proposed that paired unit factors of heredity were transmitted faithfully from generation to generation by the dissociation and reassociation of paired factors during gametogenesis and fertilization, respectively. After he crossed peas with contrasting traits and found that the recessive trait resurfaced in the F2 generation, Mendel deduced that hereditary factors must be inherited as discrete units. This finding contradicted the belief at that time that parental traits were blended in the offspring.

A gene is made up of short sections of DNA that are contained on a chromosome within the nucleus of a cell. Genes control the development and function of all organs and all working systems in the body. A gene has a certain influence on how the cell works; the same gene in many different cells determines a certain physical or biochemical feature of the whole body (e.g., eye color or reproductive functions). All human cells hold approximately 21,000 different genes.

Genetics is the science of the way traits are passed from parent to offspring. For all forms of life, continuity of the species depends upon the genetic code being passed from parent to offspring. Evolution by natural selection is dependent on traits being heritable. Genetics is very important in human physiology because all attributes of the human body are affected by a person’s genetic code. It can be as simple as eye color, height, or hair color. Or it can be as complex as how well your liver processes toxins, whether you will be prone to heart disease or breast cancer, and whether you will be color
4 0
3 years ago
Read 2 more answers
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