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Airida [17]
3 years ago
7

Pls help quick plzzzzzzzz

Biology
1 answer:
vazorg [7]3 years ago
7 0

1. Flowers must rely on vectors to move pollen. These vectors can include wind, water, birds, insects, butterflies, bats, and other animals that visit flowers. We call animals or insects that transfer pollen from plant to plant “pollinators”.

2. Germination:When a seed falls on the ground, it needs warmth and water in order to germinate; some seeds also need light. Dicots have seed coats that soften with moisture. After being planted in the soil for a few days, the seed absorbs water and swells until the seed coat splits.

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What will be the results in the F2 generation after a monohybrid cross?
Sedbober [7]

Answer: \dfrac34 dominants and \dfrac14 recessive.

Explanation:

Mendel's monohybrid cross is definied as

  • a genetic combination of two homogeneous genotypes.
  • One is <em>dominant(TT)</em> to other <em>(tt-recessive).</em>

Result in F1 generation: 4 dominant(Tt), 0 recessive (tt)

Result in F2 generation: 3 dominant(TT, 2Tt), 1 recessive (tt)

[If one T is present then we call it Tall (Donimant effect), if none then we call it dwarf]

The results in the F2 generation after a monohybrid cross: \dfrac34 dominants and \dfrac14 recessive.

5 0
3 years ago
What takes place in G1 stage of the cell cycle
Flauer [41]

The cell starts to grow.

3 0
3 years ago
Read 2 more answers
What type of cell has abundant mitochondria?
GuDViN [60]

In general cells that need more energy, since mithocondria are responsible for making and processing ATP.

Common examples of cells with many mithocondria are muscle cells that are in current activity all the time, specially heart muscles and muslces in the respiratory system such as the diafragma since the heart beats all the time, non-stop, that is, unless you die of course and so do the muslces needed to breath.


Hope it helped,


BioTeacher101

4 0
3 years ago
Which of the following does NOT support darwins theory of evolution?
Salsk061 [2.6K]
Homologous stuctures because, homo means same implying that the cell/animal is not change as it continues to reproduce

8 0
3 years ago
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synapse that increases in effectiveness because of simultaneous activity in the presynaptic and postsynaptic neurons.
Lesechka [4]

Synapse that increases in effectiveness because of simultaneous activity in the presynaptic and postsynaptic neurons is called Hebbian Synapse.

<h3>What is Synapse?</h3>

A synapse is a component of the nervous system that enables a neuron (or nerve cell) to transmit an electrical or chemical signal to an additional neuron or to the target effector cell.

The transfer of nerve impulses from one neuron to another requires synapses.

The synapse contributes to the development of memory. Because of the signaling mechanisms of the receptors, which are activated by neurotransmitters across the synaptic cleft, the connection between the two neurons is strengthened when both neurons are engaged at the same time. The capacity of two interconnected brain circuits is thought to influence how well memories are stored. Long-term potentiation is the name for this process of synapse strengthening.

To learn more about synapse with the help of given link:

brainly.com/question/17171007

#SPJ4

3 0
2 years ago
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