Sleep produces an "uncoupling" of neurobehavioral systems, providing the ___

Assuming no genetic recombination, how many genetically distinct types of gametes can a single human being make?

Georgia [21]

Answer:

Explanation:

Each chromosome represents a twin.like pairs of socks.

This is an analogous problem: you have 2 pairs of socks, one white, one black. Each of the sock is tailored to a specic foot, right or left. How many different ways can the socks be mixed and matched , one for each foot?

Here are the possibilities : left = black, right = black is one such match. Left = white, right = black is another.

so also we will have 23 chromosome pairs

3 0

3 years ago

1. Chemical weathering occurs more rapidly in what kind of climates?

zzz [600]

Chemical weathering occurs more rapidly in a hot and wet climate. Chemical processes like chemical weathering happens rapidly during high temperature, specifically during warm but damp climates. So, on the first question, the answer is letter A. On the second question, the statement that best describes rill erosion is letter D. Rill erosion is the removal of soil by a running water that cuts and forms small channels into a slope or streamlets.

5 0

3 years ago

Read 2 more answers

In which organ does the majority of photosynthesis take place

jenyasd209 [6]

The majority of photosynthesis occurs in the chloroplasts.

6 0

2 years ago

*Fill in the blank*

Gekata [30.6K]

The noncyclic pathway is a FLOW of electrons from water, to photosystem II, to PHOTOSYSTEM I to NADPH. Energy is released as ELECTRONS move through the first electron transfer chain. This energy pumps HYDROGEN IONS into the thylakoid compartment, and then they power the formation of ATP as they flow back out. Sunlight provides the energy needed to keep this cycle going.

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Luminous energy is trapped by chlorophyll in Photosystem II.
When the pigment molecules absorb light, electrons provided by water molecules get in a higher energy level.
The excited electrons go through the electron transport chain from Photosystem II to a less energetic level in photosystem I.
When the excited electrons leave photosystem II, they are replaced by new electrons extracted from the water molecules.
Luminous energy absorbed move the electrons from the photosystem I to another electron acceptor, from where they get transported again and used to produce NADPH molecules.
When electrons leave Photosystem I, they are replaced by new electrons coming from photosystem II.
When the water molecule breaks down, hydrogen ions remain in the thylakoid lumen, from where they are pumped to the stroma by the ATP synthase.
The released energy is used to produce ATP molecules.
Hydrogen ions go back from the stroma to the thylakoid compartment.

The final products are oxygen, ATP, and NADPH.

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8 0

2 years ago

In your own words, describe what information the visible DNA fingerprint provides for each DNA sample

Sidana [21]

Answer:

The visible DNA fingerprint can help extract DNA which, after analysis, can accurately identify the suspect or perpetrator of the crime.

Explanation:

DNA Fingerprinting:

DNA fingerprinting is a molecular analysis tool that can help identify a suspect in a crime through DNA extracted from fingerprints.
Specific patterns in the DNA, known as polymorphisms, can be identified through DNA fingerprinting.
The DNA fingerprinting process involves:

Extraction and purification of the DNA from the fingerprint.
PCR amplification to obtain high yield.
Fragmentation of the DNA by use of restriction enzymes.
Gel electrophoresis analysis of the fragmented DNA.
Analysis of gel to compare the size of the bands.

7 0

3 years ago

Sleep produces an "uncoupling" of neurobehavioral systems, providing the ____ with a break.​

Sleep produces an "uncoupling" of neurobehavioral systems, providing the ____ with a break.