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Vadim26 [7]
3 years ago
12

Other than shape, what characteristics are used to identify the various bacterial species?

Biology
1 answer:
Naddika [18.5K]3 years ago
5 0

Answer:

Explanation:

One major characteristic used to identify bacterial species is by Gram staining. This makes bacteria to be classified into two broad classes; Gram positive bacteria (appear purple after stain) and Gram negative bacteria (appear pink after stain).

Another characteristic used is the presence or absence of capsule.

Other characteristics include there motility (which can be due to the presence of flagella), bonding tendency (which can be individually or in pairs) and also pathogenic bacteria can be classified as intracellular or extracellular bacteria.

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phase 1 dose escalation trial of the safety and pharmacokinetics of cabozantinib concurrent with temozolomide and radiation or t
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For patients with newly diagnosed high-grade gliomas , Cabozantinib at a dose of 40 mg daily with RT + TMZ and post-RT TMZ was generally well tolerated.

<h3>How would you define diagnosed?</h3>

The procedure of determining a diagnosis, disease, or injury based on its indications and symptoms. To aid in the diagnosis, testing like blood tests, imaging tests, and biopsies may be done in addition to a physical examination and health history.

<h3>How do doctors make their diagnosed?</h3>

A doctor or other healthcare professional often makes a diagnosis after a physical examination and a thorough review of the patient's medical history. The next step is to prescribe tests and other diagnostic procedures to identify the underlying disease or injury that is causing the symptoms.

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5 0
1 year ago
Which traits are challenges of life for all organisms? Choose all answers that are correct.
Varvara68 [4.7K]
<span><span>a.   </span>Reproducing</span>
d. maintaining structure
f. obtaining energy

These three traits definitely standout as a challenge for every living creature in the ecosystem. In Darwin’s Natural Selection Survival of the fittest: being fit is one category in order to survive the wild, in other words, being flexible. Reproduction is battle royale in both humans and animals, even for plants too. Why? Because the ecosystem changes, the weather changes, the food chain is a combat to chase. Some can’t even reproduce due to hereditary or physical causes. Energy is as important as living. If plants can make their own food how about the carnivores and the omnivores. Food is a challenge. Structure is sustaining the capacity and ability to hunt and survive. Important and a by-product of obtaining energy.




6 0
3 years ago
What are the genotypic results as a ratio
Dvinal [7]

Answer:

The genotypic ratio shows the number of times a characteristic of an organism will be seen in the offspring when genes for certain traits are crossed. ... The genotypic ratio for this cross is written 1:2:1. In animals and plants, each gene has 2 alleles or variations, one from each parent

Explanation:

5 0
3 years ago
Read each of the sentences that describe what happens either during mitosis or meiosis. Drag each sentence into the correct box.
seraphim [82]

Complete question:

In the attached files you will find the sentences used to complete this problem, and their corresponding boxes.

Answer:

Mitosis:

  • Homologous chromosomes do not pair
  • One row of chromosomes line up in the center of the cell
  • The cell nucleus divide only once
  • Two diploid daughter cells form that are identical to their parental cells

Meiosis:

  • Each replicated chromosome pair with its corresponding homologous pair
  • Tetrads form, and crossing-over sometimes occur
  • Paired homologous chromosomes line up across the center of the cell
  • Four haploid daughter cells form that are not identical to their parental cells

Explanation:  

There are two principal types of cells in the organism: Somatic diploid cells (2n) that reproduce by the process of mitosis, and germ cells that are diploid reproductive cells in charge of gamete production. These germ cells suffer both mitosis (to form more sexual cells) and meiosis (giving place to haploid gametes, called sperm and egg cells, through the gametogenesis process). Both somatic cells and germinal cells will end their cycle becoming two daughter cells with the same genetic dotation.

Gametes´destiny is to merge in the process of fecundation, during which a new diploid cell called zygote emerges through fertilization. The zygote is a complete cell from the structural point of view that suffer successive mitosis to form the new organism.

  • <u>Meiosis</u> is a process by which, from a diploid germ cell (2n), four daughter cells with a haploid chromosome number (n) are produced. Each daughter cell has half of the chromosomes of the original one. There are two phases in meiosis: the first one in which occurs a chromosome´s reduction division, and the second one where the cell suffers a new division, but this one is not a reductive one.
  1. In the first phase, Meiosis I: Chromosomes condensate and became visible. Occurs crossing-over between homologous chromosomes in the equatorial plane. Crossin-over makes the daughter cells to be genetically different from the original one. After crossing-over, homologous chromosomes get separated again. Then occurs cytokinesis and chromosomes became lax again.
  2. In the second phase, Meiosis II: Chromosomes condensate again, they join the spindle apparatus and migrate to the equatorial plane. Centromeres divide and each chromatid goes forward to each pole. Once in the poles the chromosomes became lax again and occur cytokinesis.
  • Mitosis is a process by which, from a diploid somatic cell (2n), two daughter diploid cells (2n) are produced. During mitosis, the cell duplicates and then separates. Mitosis occurs in only one phase. In the prophase, it occurs chromosomes condensation and nuclear membrane breaks. During the metaphase, fibers of the spindle apparatus capture chromosomes and take them toward the center of the cell, to the equatorial plane, where they line up. Each chromatid joins with a microtubule of opposites poles. Sister chromatids are held together until they reach the Anaphase, during which other enzymes are activated to break the bonds and separate the chromatids, which migrate to the opposite poles. In telophase, the duplicated chromosomes are already in the corresponding poles, and the nuclear membrane forms again in each pole. Finally, occurs cytokinesis.  

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3 years ago
When eddies in a river whirl around sand and gravel, what do they cause? potholes stream piracy regolith removal headward erosio
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A circular movement of water, counter to a main current, causing<span> a small </span>whirlpool<span>. .</span>
3 0
3 years ago
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