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ycow [4]
3 years ago
13

The branching "tree of life" analogy:

Biology
1 answer:
stiks02 [169]3 years ago
8 0

Answer:

<u>Option-(A):</u>

"Fails to account for horizontal gene transfer, in which species on different branches exchange genes."

Explanation:

  • <u>"Tree of life":</u>

The tree of life was presented an explained by the very popular "Charles Darwin" for determining or defining the common ancestry among the different species or organisms. As, the trunk of tree is attributed to the common ancestry or origin and the branches of the tree are supposed the different species or organisms. As these organisms diverged from a single ancestor or origin. Now, the process of horizontal genes transfer between the different organism was not explained properly by the "tree of life" analogy.

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Which traits do you think are very strictly determined by your genetic make-up (genotype)?
zvonat [6]

Answer:

Reproduction, growth and development, regulation, homeostasis, and energy processing.

Explanation:

Reproduction, growth and development, regulation, homeostasis, and energy processing are the traits or characteristics that are determined by the genotype. These traits are under the control of genes of an organisms and can be changed if the change in the genes occurs while on the other hand, the physical characteristics of an organisms are determined by phenotype means phenotype is responsible for the appearance of an organisms.

7 0
3 years ago
Summarize given the large number of proteins is in the body
natali 33 [55]

Answer:

Enzymes' shapes are important because it determines the specific substrate it will act onto.

Explanation:

The shape of the enzymes are explained by two theories, which are Lock and Key Theory and Induced Fit Theory.

<h3>Lock and Key Theory </h3>

This was first coined by <em>Emil Fischer in 1894</em>. Just like how a key has a specific keyhole, <u>enzymes' active sites are supposed to act on specific substrates to produce a catalyzed effect</u>. Incorrectly shaped keys or enzymes will not fit into a lock (substrate) not assigned for it.

<h3>Induced Fit Theory</h3>

this theory was proposed for the substrates that do not qualify for the Lock-and-Key theory, or <u>enzymes that have more than one active sites</u>. It is said that the <u>substrate determines the final shape of the enzyme</u>, and that the<u> enzyme is somehow pliable</u>. The enzyme is then modified by the substrate to form an enzyme-substrate complex. This explains why two or more enzymes can catalyze a single substrate.

<h3>Additional notes:</h3>

For enzymes to work, they may need specific molecules.

A coenzyme may be <u>metal ions (iron, copper, magnesium)</u> or <u>organic molecules (Vitamins B2, B3, B8)</u> which attach to an enzyme to form a holoenzyme. An apoenzyme is an enzyme with only its protein part sans the cofactor.

8 0
4 years ago
Is it true that conifers are different from Ferns and that conifers do not have leaves? Plz Help!
Luden [163]
Ferns reproduce by spores, Conifers reproduce by seeds. Differences also exist in the root and stem structure. Neither Ferns nor Conifers have true leaves, Ferns have fronds and most Conifers have needles.

Hope this helped.
6 0
3 years ago
What are 3 things that all animals with bodies have?
Zielflug [23.3K]

Fluid parts, skin , eyes

6 0
4 years ago
In the genetic disease called ichthyosis, the skin is rough, brown, and scaly because the uppermost layer cannot peel off as eas
daser333 [38]

In the genetic disease called ichthyosis, the skin is rough, brown, and scaly because the uppermost layer cannot peel off as easily as it should. what layer of the skin is affected in this disorder is epidermis.

Ichthyosis is a skin condition that turns the skin, thick, scaly and fleshy. Since it is genetic disorder, the genes are inherited from the parents. Of inherited from one parent, the skin condition are milk. But when genes are received from both the parents, the disease occurs in its most severe form, also called ichthyosis vulgaris.

Epidermis is the outermost layer of the skin. It is the body's first line of defense because it prevents any microbes entering the body. Besides, it also protects from mechanical injury, stops the loss of moisture and also reduces the effect of UV radiations.

To know more about ichthyosis, here

brainly.com/question/14316993

#SPJ4

8 0
1 year ago
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