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ANEK [815]
3 years ago
9

Which takes place during the second trimester of pregnancy?

Biology
1 answer:
SpyIntel [72]3 years ago
8 0
A. The first movements are felt later in the second trimester
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A(n) ______ is one present in the common ancestor and all members of the group. primitive character homologous structure analogo
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<span>A(n)PRIMITIVE CHARACTER  is one present in the common ancestor and all members of the group

Primitive character is also known as ancestral character in phylogenetics. It is defined as a characteristic that  has undergone little change since time immemorial and is inherited from a common ancestor of a clad.


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3 years ago
Determine the nature of the expression of the lacZYA genes, represented by L, and label each genotype as constitutive, inducible
VladimirAG [237]

Answer:

Explanation:

Symbol          Representation

I-                     laci mutant cannot bind to the operator

Is                    laci mutant always bind to the operator

OC                 Operator mutant that prevent repressors binding

F’                    the wild type operator, O+, and laci gene on a plasmid

L                     lacZYA genes

I+ O+ L+   Inducible

I+ OC L+   Constitutive

I+ OC L+, F’   Constitutive

I- O+ L+, F’   Inducible

Is O+ L+    no transcription

Is O+ L+, F’   no transcription

3 0
3 years ago
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dsp73

File is attached for the Answer

3 0
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An end to that species' existence is known as
daser333 [38]
This is known as extinction
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Where is carbon located on our planet, and how are these carbon reservoirs different from each other?
puteri [66]

Explanation:

carbon C,, comes from burning of hydrocarbons ,,which is a component of oxygen hydrogen and carbon ,,,the reservior in which carbon changes is coke,,,carbon flow into the atmosphere is less than the one released and these causes global warming,,due to blockage of the ozone layer leading to rain acid which leads to corrosion of iron,,,,over 300 years the role of ocean has changed,the convectional currents from the see meets carbon due to oxidation,,Co is formed C +O=C0,, ,in 2014,,the rate of global warming increased due to imcrease of release of carbon to the atmosphere,,,

6 0
3 years ago
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